Taipan
The taipan is a type of small headed cobra.
Talbot
The talbot was a large, whitish hound with long hanging ears and heavy jaws bred for tacking and hunting. It is believed that the talbot was the forerunner of the modern bloodhound.
Tamaricaceae
Tamaricaceae is a small natural order of polypetalous exogens. The species are either herbs or shrubs, inhabiting chiefly the basin of the Mediterranean. They have minute alternate simple leaves and usually small white or pink flowers in terminal spikes.
Tamarin
The tamarin are South American monkeys. They are active and restless.
Tamarind
Tamarind is an evergreen tree of the leguminosae family.
Tamarisk
The Tamarisk is a plant of the genus Tamarix. It is a graceful evergreen shrub or small tree with slender feathery branches and minute leaves found in sandy places.
Tanaidacea
Tanaidacea is a marine order of malacostraca with a reduced carapace and a short abdomen.
Tangerine
The tangerine is a small, flattened, deep-coloured, swett-scented variety of orange from Tangier.
Tangle
Tank-worm
Tanrec
Tansy
Tantalus
Tapir
Tara Fern
Tarantula
Tare
Taro
Tarpan
Tarpon
Tarragon
Tarsier
Tasmanian wolf
Tasmannia
Tatouay
Tautog
Taxaceae
Taxodium
Tayra
Tea
Teak
Teal
Teasel
Tecoma
Tectibranchiata
Teff
Teguexin
Teledu
Teleostei
Telosporidia
Tench
Tenebrio
Tenuirostres
Terebratula
Termite
Tern
Ternstroemiaceae
Terrapin
Testes
Tetradactyl
Tetrapod
Thalamophora
Thallophyte
Thallus
Thistle
Thrasher
Thrips
Thrush
Thylacine
Thyme
Thysanozoon
Thysanura
Tiger
Tigress
Tile-fish
Tiliaceae
Tinamou
Tinamous
Toad
Tobacco
Todus
Tody
Tomato
Tonka
Tope
Tortoise
Totara
Toucan
Toxodon
Trachea
Trachylina
Tragopan
Trapa
Tree
Trematoda
Trematode
Triceratops
Tricladida
Trout
Truffle
Trumpeter
Trypanosome
Tsetse
Tuatara
Tuatera
Tubifex
Tubularia
Tulip
Tulip Tree
Tuna
Tunny
Tupelo
Turaco
Turbellaria
Turbot
Turkey Buzzard
Turmeric
Turnip
Turnstone
Turtle
Tyrannosaurus rex
Uakari
Umbelliferae
Upas
Urd
Urochordata
Urodela
Urticaceae
Vaccinium
Vaccinium myrtillus
Valerian
Valerianaceae
Vallisneria
Vampire Bat
Vanilla
Vegetable oyster
Velella
Vellozia
Ventricle
Venus Fly-trap
Verbena
Vertebrate
Vervain
Vesper Sparrow
Viburnum
Vicia
Vicuna
Viper
Virginia creeper
Virginia Deer
Viscacha
Visceral skeleton
Vole
Volvox
Vorticella
Vulture
Wallaby
Wallflower
Walnut
Walrus
Wapiti
Waratah
Warbler
Wart hog
Wasp
Water Deer
Water Lily
Water-Boatman
Water-Buck
Water-pepper
Water-Plantain
Water-rat
Water-scorpion
Waterbuck
Watercress
Wax palm
Waxbill
Weasel
Weever fish
Wensleydale
Whale
Whelk
Whimbrel
Whip snake
Whip-scorpion
Whippet
Whistling Snipe
White thorn
White-tailed deer
Whitebait
Whortleberry
Widow Bird
Wigeon
Willow
Winter cherry
Wireworm
Wistaria
Witch-hazel
Withy
Woad
Wolf
Wombat
Wood-ibis
Woodcock
Woodlice
Wormwood
Wren
Xiphosura
Xylem
Yak
Yam
Yarr
Yarrow
Yeast
Yew
Yorkshire Leicester
Yucca
Zebra
Zoantharia
Zoology
Zoomastigina
Tangle is a popular name for Laminaria digitata, a common British sea-weed.
The tank-worm is a nematode worm found in mud in water tanks in India.
Tanrec (Centetes) is a genus of insectivorous mammals resembling the European hedgehog in appearance. They are found in Madagascar where they live in burrows excavated with their strong claws.
Tansy (Tanacetum) is a genus of plants of the order Compositae. They have yellow corymbose flowers.
Tantalus is a genus of wading birds of the heron family.
Tapir is the name of ungulate or hoofed animals forming the family Tapiridae. The nose resembles a short fleshy proboscis. There are four toes to the fore-feet and three to the hind-feet.
The Tara Fern is a species of fern found in New Zealand. The Maoris obtained a flour from its root which formed a staple part of their diet prior to British settlement.
The tarantula is a large black south European spider of the genus Lycosa with a slighly poisonous bite. The term is also popularly applied to various other large, especially hairy spiders from Africa and America.
Tare is the popular name for plants of the genus Vicia.
Taro is a plant of the arum family cultivated in Pacific islands for its starchy, edible root.
The tarpan is a breed of wild horse found in Asia.
The tarpon is a large silvery marine fish found in the warmer waters of the western Atlantic.
Tarragon is a perennial herb of the daisy family.
The tarsier (Tarsius) is a genus of mammals of the lemur family. It is about the size of a squirrel, fawn brown in colour with large eyes, large ears and a long tufted tail. The tarsier is a tree dwelling animal and eats lizards.
see "Thylacine"
Tasmannia is a genus of one Tasmanian and two Australian shrubs of the natural order Magnoliaceae.
The tatouay is a kind of armadillo remarkable for the undefended state of its tail which is devoid of the bony rings that inclose it in other armadillos.
The tautog (Tautoga nigra) is an American fish found on the coast of New England and valued as a food.
Taxaceae is a sub order of Coniferae which includes the Yew tree.
Taxodium is a genus of plants of the order Coniferae. It includes the cypresses.
The tayra (Galera barbara) is a South American carnivorous animal allied to the glutton. It is black in colour with a large white patch on the breast.
Tea is an evergreen rosaceae. The infusion of the dried leaves is a popular beverage. It was introduced to England during the 17th century.
Teak (Tectona grandis) is a tropical Asian timber tree of the order Verbenaceae.
The teal is a small British duck of the genus Querquedula.
The teasel is a plant of the genus Dipsacus. It is a herb with prickly leaves and flower heads.
Tecoma is a genus of plants of the natural order Bignoniaceae. They are trees or shrubs or climbing plants with unequally pinnate or digitate simple leaves, and terminal panicles of dusky red or orange flowers.
Tectibranchiata is a division of gasteropodous mollusca with gills protected by the shell or the mantle, as with the sea-hare.
Teff (Eragrostis abyssinica) is a grain with seeds about the size of those of millet.
The teguexin is a species of lizard inhabiting tropical America. They grow to around 150cm long and can swim with ease and rapidity.
The teledu is a stinking badger found in Java and Sumatra.
Teleostei is a large sub-class of fish distinguished by a bony skeleton.
Telosporidia are a subclass of sporozoa. They have a trophic stage which is distinct from the reproductive phase.
The tench (Tinca tinca) is a freshwater fish of the carp family.
Tenebrio is a genus of beetles.
Tenuirostres (slender-beaked) is a section of the Insessores order of birds containing those species with a long slender, tapering beak.
Terebratula is a deep-sea genus of phylum brachiopoda.
Termites are a social insect of the order Isoptera. They are chiefly found in tropical climates and are very destructive to timber.
The tern is a sea bird, especially those of the genus Sterna. They resemble a gull, but are usualy smaller and with a more slender body. Terns have long, pointer wings and a forked tail giving rise to their alternative name of the sea-swallow.
Ternstroemiaceae is a natural order of polypetalous dicotyledonous plants consisting of trees or shrubs with alternate simple usually coriacerous leaves without stipules. The flowers are generally white, arranged in axillary or terminal peduncles, articulated at the base.
The terrapin is a freshwater tortoise.
The testes are the male gonads.
Tetradactyl is a term applied to any animal or bird with 4 fingers or toes.
Tetrapod is the family of four legged vertebrates. It includes birds because wings developed from legs.
The thalamophora are an order of rhizopoda. They are amoeboid forms protected by a shell. There are apertures in the shell through which the pseudopodia extend.
A thallophyte is a plant with a thallus body, such as seaweed or liverwort.
A thallus is the body of a primitive plant which is not divided into leaves, stem and roots but consists of a more or less uniform tissue.
The thistle (Carduus) is a genus of plants of the order Compositae.
The thrasher is a species of shark (Alopias vulpinus) which has a very long upper division of its tail which it uses to thrash its prey or attackers.
Thrips are minute insects with 4 hair-fringed wings of the order Thysanoptera. Many of the species injure plants by feeding upon their juices.
The thrush is a bird of the turdidae family.
The thylacine (Tasmanian wolf, Thylacinus cynocephalus) is a carnivorous marsupial resembling a dog in appearance, greyish-brown with conspicuous black markings on the hinder half of the back.
Thyme (Thymus) is a genus of herbs of the Labiatae family.
Thysanozoon is a member of the order polycladida.
Thysanura is an order of apterygota.
The tiger is a large asian wild cat. It is maneless, of tawny-yellow colour with blackish transverse stripes and a white belly.
A tigress is a female tiger.
The tile-fish (Lopholatilus chamaeleonticeps) is a large, deep-water, yellow-spotted fish found off the coast of New England. It is apparently good to eat.
Tiliaceae is a natural order of plants.
The tinamou is a South American bird of the family Tinamidae. It resembles the grouse but is actualy related to the rhea.
The Tinamous are a unique group of birds. They are about the size of a fowl with a small head and slender neck.
The toad is a tailless leaping amphibian similar to the frog, but terrestial in habits except at the breeding season.
Tobacco is a large leaved solanaceae plant of the genus Nicotiana.
Todus (Todies) are a genus and family of minute red and green insectivorous picarian birds found in the West Indies.
The tody is a small insectivorous West Indian bird of the genus Todus, allied to the kingfisher.
The tomato (Lycopersicum esculentum) is a South American annual plant of the order Solanaceae. It produces a round red fruit which is treated like a vegetable.
The tonka is a large South American tree (Dipteryx odorata). The seeds, known as tonka beans, are black fragrant and almond-shaped and are used for scenting tobacco and perfume.
The tope (Galeorhinus galeus) is a small european shark.
The tortoise is a chelonia.
The totara is a tree found in New Zealand and Chile.
The toucan is a family of picarian birds found in South and Central America forests. They possess brilliant plumage and enormously large, saw-edged bills. Toucans live in societies and are esteemed by the natives for food.
The toxodon was a large three-toed ungulate mammal as tall and heavily built as a rhinocerous, which lived in South America in late Tertiary times.
The trachea is a pipe leading to the lung chamber.
Trachylina is an order of hydrozoa. They are mainly marine forms in which the medusoid stage is represented, and the hydroid stage is reduced or absent.
The tragopan is an asiatic pheasant of the genus Tragopan. The male has erectile fleshy horns on his head leading to its alternative name of the horned pheasant.
Trapa is a genus of plants of the order Onagrariaceae. Their nuts are often consumed as food.
A tree is a perennial plant with a self supporting woody main stem.
Trematoda is a class of phylum platyhelminthes. They are the fluke worms. Parasitic flat worms with a leaf-like body. The mesenchyme secretes a tough cuticle and cilia are lacking in the adults. Hooks and/or suckers are often present.
A trematode is any member of the Trematoda.
The triceratops was a dinosaur with three horns on its head.
Tricladida is an order of turbellaria with an intestine having three main branches. The sense organs are frequently well developed.
The trout is a fish native to the northern hemisphere.
Truffle is a subterranean fungus.
The Trumpeters are a family of South American birds related to the seriema, the cranes and the rails. They are so named from their loud trumpet-like cry. The body is about the size of a fowl's, but the legs are long and crane-like, and the beak short. They nest on the ground and feed on insects, seeds and fruits.
Trypanosome is a parasite of the genus Trypanosoma. It is a flagellate protozoa which infects the blood of man and other animals often causing disease, including sleeping-sickness.
The tsetse is a fly found in Africa that carries the Trypanosome parasite which causes sleeping sickness.
The tuatara is a survivor of the group of prehistoric reptiles to which the dinosaurs belonged. It is found only in a few islands of New Zealand. It lays 10-14 eggs which it buries in the ground. A fully grown tuatara is about 24 inches long. The tuatara is carnivorous.
The tuatera is a large lizard-like reptile found only in New Zealand, and forming the distinct order Rhynchocephalia, in which the skull and skeleton are more like those of the crocodile than a lizard.
The tubifex are oligochaeta.
Tubularia is a member of the order of gymnoblastea.
The tulip is a genus of flowering plants of the order Liliaceae. One species, the wild tulip (Tulipa sylvestris) is native to Britain. It is a bulbous plant, attaining a height of about 30cm, with very narrow leaves and a solitary large fragrant flower.
The Tulip Tree (Liriodendron) is a tree of the order Magnoliaceae, introduced into Britain from North America towards the close of the 17th century. It may grow to a height of nearly 30 meters and in summer develops beautiful large, green, orange or lemon-coloured flowers resembling tulips.
The tuna is a fish of the mackerel family.
The tunny is a fish of the mackerel family, also called tuna it can reach 14ft in length.
The tupelo are large American trees of the genus Nyssa found growing in swamps and on river banks in the sourthern USA.
The turaco is a long-tailed crested African bird of the genus Tauraco.
Turbellaria is a class of free-living flatworms. They live in water and damp conditions. The epidermis is glandular, ciliated and has a thin cuticle.
The turbot is a flat fish found in the mediterranean and north sea.
The Turkey Buzzard is a small, black species of American vulture.
Turmeric is a perennial plant of the ginger family.
The turnip is a biennial cruciferous plant with a fleshy globular or spheroidal root, toothed leaves, and yellow flowers. The root of the turnip is used as a vegetable and also fed to cattle and sheep.
The turnstone is a bird of the plover family, found nearly all over the world. It is about the size of a snipe, but has shorter legs and bill, and takes its name from the habit of turning over stones on the sea shore in search of small crustaceans which it eats.
The turtle is an aquatic chelonia.
Tyrannosaurus rex was a carnivorous dinosaur from the cretaceous period. It was the largest of all the carnivorous dinosaurs. It was so big it could have eaten a human in one or two bites.
The uakari is a monkey found in South America.
The umbelliferae is a family of plants which generally have flowers in regular compound umbells and fistular furrowal stems.
The upas (Antiaris toxicaria) is a tree of the order Urticaceae, allied to the fig, hop and nettle, found in Java and exuding a milky white juice called antiarin.
Urd (Gram, Black gram, Vigna mungo) is a plant of the order Leguminosae cultivated in trpoical Asia for its edible seeds and as forage.
Urochordata is a class of sub-phylum acrania. They are the sea squirts. They are ciliary-feeding marine animals.
The urodela are a subclass of amphibia. They are the newts and salamanders. The tail persists throughout life. The fore and hind limbs are poorly developed.
Urticaceaeis a natural order of exogenous trees, herbs and shrubs. This is the nettle family, with stinging hairs.
Vaccinium is a genus of mostly hardy shrubs belonging to the order Vacciniaceae. They bear globose berries which are often edible and of comercial value. Species include the bilberry and cranberry.
see "Bilberry"
Valerian is the Valeriana genus of plants of the order Valerianaceae having small fragrant flowers of white, purple or pink. The root was formerly used in medicine as a nerve sedative and antispasmodic.
Valerianaceae is the valerian family of plants. They are herbaceous plants and shrubs having simple or compound, opposite leaves, clusters of small flowers, and dry, indehiscent fruit.
Vallisneria is a genus of half-hardy, aquatic, submerged plants belonging to the order Hydrocharidaceae. There is only one species, eel grass, which is grown in aquariums.
The Vampire Bat (Phyllostomatidae) is a large family of about 150 species of bat distinguished by a well developed ''leaf'' above the nose, or by skin folds or warts beneath the chin. The middle finger of the wing has three joints. Vampire Bats are confined to the tropical and sub-tropical regions of the world where they live in forest areas feeding on fruit and insects, although two species, Desmodus and Diphylla are blood sucking.
Vanilla is a genus of climbing orchids.
see "Salsify"
Velella is a member of the order of siphonophora.
Vellozia is a genus of tropical woody-stem plants of the order Amaryllidaceae. They are mostly natives of South Africa and Brazil. The leaves grow in clusters at the tips of the branches and bear showy campanulate single flowers.
A ventricle is a chamber of the heart which despatches blood.
The Venus Fly-trap is a plant of the genus Dionoea. It is native to the sandy savannas of Carolina and Florida. The leaves have a dilated petiole and a slightly stalked 2-lobed lamina, with three short stiff bristles on each lobe. The bristles are remarkably irritable and when touched by a fly or other insect the lobes of the leaf suddenly close on the insect. The insect is then digested.
Verbena is a genus of plants, mostly American, several species of which possess handsome and sweet-scented flowers.
see "sub-phylum craniata"
Vervain (Verbena officinalis) is a native British plant of the genus Verbena.
The Vesper sparrow (bay-winged bunting, Pooecetes gramineus) is a bird of the family Fringillidae.
Viburnum is a genus of hardy shrubs belonging to the order Caprifoliaceae. They bear corymbs or panicles of white or pink flowers.
Vicia is a genus of leguminous plants extensively cultivated as food for cattle and horses.
The vicuna is a species of wild llama, a ruminant mammal of the camel family found in the Andes. Unlike the other wild species, the huanaco, the face is fawn-coloured.
The viper is a family of venomous snakes. They are characterized by venom-conducting fangs which hinge forward when the snake bites.
The virginia creeper (Vitis quinquefolia) is a climbing plant of the order Vitaceae, akin to the vine, with large lobbed leaves which acquire a beautiful red colour in the autumn, tendrils by which it climbs and which give off short branches ending in adhesive suckers for clinging to walls or trees, and clusters of green flowers like those of the vine. It is native to North America and was introduced into Britain.
The Virginia Deer is a North American species of deer about the size of a fallow-deer, but with large antlers curving forwards over the face. The coat is brown in winter, and paler with white spots in summer. The underside of the tail is white from whence it derives its American name the white-tailed deer.
The Viscacha (Pampas Hare, Lagostomus trichodactylus) is a South American rodent of the family Chinchillidae. It is a gregarious burrow-dweller with five toes on the front feet and three on the hind.
The visceral skeleton is the bones comprising the jaws and their allied structures.
The vole is a rodent of the cricetidae family.
Volvox is a genus of flagellate Protozoa, closely related to the simplest plants. They form minute globular colonies composed of sometimes as many as 22,000 individuals in fresh water.
Vorticella is a member of the order of peritricha.
The vulture is a carrion eating bird.
Wallaby is the name of several small members of the kangaroo family.
The wallflower (Cheiranthus) is a genus of plants of the order Cruciferae. The common wallflower (Cheiranthus cheiri) is yellow when wild.
The walnut (Juglans regia) is a tree of the order Juglandaceae. It was introduced into Britain from Asia in the 15th century. It is a spreading tree and grows to a height of around 15 meters with a short bole which may grow to 6 meters in circumferance and is covered with rugged grey bark. It bears fruit similar to a plum, the stone of which is eaten and the timber is light but tough and makes attractive furniture.
The walrus is a marine mammal similar to the seal found in the arctic.
The wapiti is a deer closely allied to the red deer, but much larger and of different colour. The body is fawn coloured with the head and limbs brown. The wapiti stands 1.5 meters at the shoulder.
Waratah is a shrub of the order Proteaceae, characterised by brilliant crimson tubular flowers borne in dense globular clusters at the end of sprays of long oval, oak-like leaves.
The warbler (Sylviidae) is a family of thrush-like perching song birds distinguished from typical thrushes by their smaller size, delicate bills and toes and duller plumage. They feed on insects and are very migratory.
The wart hog is a type of wild pig found in Africa.
The wasp is a stinging insect of the order hymenoptera.
The water deer is a small, hornless, ruminant, armed with long tusks and coloured dark brown with white stripes. It is found in west Africa.
Water Lily is a general name for the aquatic plants of the order Nymphaeaceae, of which there are about 60 species distributed through temperate and tropical countries. They are all perennial, and most have large floating leaves and flowers.
The water-boatman is an insect of the order Hemiptera found in fresh water ponds, and having oar-like legs for swimming.
The water-buck is a large antelope about the size of a donkey, found usually in swampy places in east and south Africa. It is mainly brown in colour and has long, strongly ribbed horns in the male only.
Water-pepper is a plant of the Polygonaceae family. It grows to between 20 and 70 cm tall and has sparingly branched ascending stems. The leaves are lanceolate and irritate the skin when touched.
Water-Plantain (Alisma) is a name for several species of the order Alismaceae, aquatic and sometimes floating, with long-stalked, often large leaves.
The water-rat is the largest of the British voles, about the size of a common rat. It lives in burrows in the banks of streams and feeds on green food and roots.
The water-scorpion is an insect of the order Hemiptera, which lives in fresh-water ponds and preys upon other insects.
The waterbuck is an antelope found in Africa. It has a characteristic white ring marKing in its rump.
Watercress (Nasturtium officinale) is a perennial aquatic plant of the order Cruciferae, related to the wallflower and widely cultivated as a salad. It is abundant in small streams, and roots in the mud at the bottom. From the creeping stems arise alternate leaves divided into a varying number of pairs of leaflets. The flowers are small and white and clustered together.
The wax palm (Ceroxylon andicola) is a tree of the order Palmae, found in Colombia, which attains a height of around 15 meters. It is crowned with large spreading leaves which may be 3 meters in length and resemble gigantic feathers. The trunk is lined with a resinous wax.
The waxbill is a small seed eating bird found in Africa.
The weasel is a carnivorous mammal of the family mustelidae. It feeds mainly on voles, rats and mice.
The Weever fish (Trachinus) is a genus of small European marine fish. They have highly poisonous dorsal spines.
see "Yorkshire Leicester"
A whale is a large marine mammal of the order cetacea.
The whelk is a marine gastropod with a thick spiral shell.
The whimbrel is a bird of the plover group, closely related to and resembling the curlew, but considerably smaller and breeding in Great Britain in the Orkneys and Shetland.
The whip snake is an oriental arboreal snake so called because of its long, thin body.
The whip-scorpion is a group of arachnida of the order Pedipalpi, resembling the spider in having a narrow wait between the fore-part and the abdomen, but differing in having no silk glands. The second pair of limbs are modified as powerful grasping organs armed with spines for impaling their prey and the first pair of legs are turned into antenna-like feelers, resembling long whips in some kinds.
The whippet is a breed of dog produced by crossing a hybrid of a fox-terrier and a greyhound with an Italian greyhound. Whippets are used for coursing rabbits, especially in the north of England.
see "Greenshank"
The White thorn is the white variety of the Hawthorn tree.
see "Virginia Deer"
Whitebait is the name given to the fry of sprats or herrings.
Whortleberry (Vaccinium) is the name of several species of shrubs of the order Vacciniacea, such as the cranberry, cowberry and bilberry but often restricted to the bilberry.
The widow bird is several species of African weaver birds. They trick other birds into rearing their young.
The wigeon is a British duck.
Willow is an amentaceae of the family salicaceae. Its timber is used to make cricket bats.
Winter cherry (Physalis alkekengi) is a perennial herbaceous planmt of the order Solanacea, a native to China and the Caucasus, with a creeping root, wedge-shaped oval leaves borne on long stalks, and an orange-coloured berry borne in the enlarged calyx which assumes the same hue after the white petals have been shed.
Wireworm is the larva of the clickbeetle. It damages crops by feeding on the roots of all kinds of cereal crops.
Wistaria is a genus of plants of the order Leguminosae. They are climbing shrubs with large downy leaves divided into five or six pairs of oval leaflets, and long clusters of violet-blue flowers.
see "Hamamelidaceae"
Withy (Salix fragilis) also called crack willow is a large tree of the order Salicaceae which attains a height of over 25 meters, sometimes in the space of 20 years.
Woad (Isatis tinctoria) is a biennial herbaceous plant of the order Cruciferae, native to Europe and north Asia but not to Britain. The stem is erect and smooth attaining a height of 1 meter and bears stalkless arrow-shaped leaves and elongated clusters of small yellow flowers.
The wolf is the largest species of wild dog and the original stock from which all domestic dogs were derived.
The wombat is a nocturnal, herbivorous marsupial.
Wood-ibis is an American bird of the Tantalus genus. It lives in swamps where it feeds on snakes, young alligators, frogs and other reptiles.
The woodcock is a British game bird.
The woodlice are malacostraca.
Wormwood is a European woody herb (Artemisia absinthium). It yields a dark-green oil which was once used as a tonic against intestinal worms and as a protection against moths and fleas, and is now used as a flavouring in vermouth and absinthe.
The wren is a small brown bird with a cocked tail of the order Passeriformes, family Troglodytidae. The wren feeds mainly on insects and spiders and grows to about 9 cm long with a 13 cm wing span. It has a life span of about 6 years.
Xiphosura are the king-crabs order of arachnida. They are aquatic animals with gill-books.
Xylem is a woody tissue found in vascular plants. Its purpose is to conduct water and dissolved minerals from the root to the rest of the plant.
The yak is a wild ox found in Tibet.
The yam is a tropical plant, the tuba of which is eaten as a vegetable.
Yarr (Spergula arvensis) is a white wild flower common in British pastures.
Yarrow is a perennial herb with a creeping rhizome and erect, furrowed and downy stems. Yarrow flowers between June and August, and is common throughout Europe and Asia.
Yeast is a fungus.
The yew (taxus) is an evergreen tree of the family taxaceae. It was sacred to the ancient pagan religion of Britain.
The Yorkshire Leicester or Wensleydale is a breed of British sheep. It is a large, hornless animal with open lustrous wool and bluish skin on the face and ears.
The yucca is a liliaceae.
The zebra is a black and white striped wild horse found in Africa.
Zoantharia is an order of anthozoa. They have simple tentacles occuring in multiples of six.
Zoology is the science which deals with the structure, life-history, habits and activities of animals.
The zoomastigina are a subclass of mastigophora.