endothermic

Pen and ink sketch of Black and white colobus monkey Colobus vellerosus looking at the viewer with long pendulous tail, cut to white

Takahe Porphyrio hochstetteri with one foot raised sjowing amazing colourful plumage

Tawny Owlets Strix aluco sitting clustered together on a branch covered in grey down feathers

Teal Anas crecca showing elaborate beautiful plumage

Thrush Turdus philomelos nesting in a garden shed amongst gardeing gloves, string, and flower pots

Thrush Turdus philomelos amongst grass and meadow flowers, cut to white

Tree sparrow Passer montanus male on a branch

Treecreeper Certhia familiaris on a tree turnk, almost camofauged on the bark

Tufted duck pair Aythya fuligula looking in different directions

Water rail Rallus aquaticus with pond and vegetation, stalking behind a tuft of grass

Water rail Rallus aquaticus behind a stone and some grass

White winged Duck Asarcornis scutulata peeping out from a grove of bamboo

Wigeon Mareca penelope pair on a muddy shore, male on land and female in the water

Willow tit Poecile montanus perched on a lichen covered branch

Wren Troglodytes troglodytes by its round nest in a woodland scene with ivy leaves and a suggestion of greenery behind

Wren Troglodytes troglodytes perched on a branch cut to whtie

Yellowhammer Emberiza citrinella perched on a twig

Ring ouzel Turdus torquatus perched on a branch looking surly

Robin Erithacus rubecula with a worm in its beak returning to an open fronted nest box attached to the trunk of a tree with a blue sky behind

Robin Erithacus rubecula staring at the viewer with slightly ruffled feathers and a large eye, perched on an ash twig

Robin Erithacus rubecula splahsing in a white neoclassical style pedestal bird bath with water droplets spraying around, plumage fluffed out, and a grassy lawn behind

Rooks Corvus frugilegus perched on their nests in a rookery with distanct rooks behind in flight

Ruby throated Hummingbird Archilochus colubris in flight, feedin with tis long beak from a pink convolvulus like flower and showing its bright green featehrs and scarlet thoat patch

Saqr falcon with eye shades and tresses, ready for falconry hunting and perched on ceremonial Arabian perch