plumage

Bittern Botaurus stellaris cut to white showing cryptic colouring and large beak and legs

Scarlet macaw parrot Ara macao perched on a branch with foliage.  From The Hidden Universe: Adventures in Biodiversity by Alexandre Antonelli

Yellow headed amazon parrot Amazona oratrix on perch with red epaulettes

House sparrow Passer domesticus.  Male in profile, pen and ink with colour wash

Tree sparrow Passer montanus Male diagram in pen and ink with colour wash

Gull Larus wing anatomy to show the feathers and markings

Gull Larus head anatomy simplified diagram to help show structures of note

Gull Larus in flight anatomy simplified to show structures of note in this family of seabirds

Gull Larus body anatomy showing features to look out for when the bird is at rest

House sparrow Passes domesticus Female pen and ink diagram with watercolour top wash

House sparrow Passer domesticus male perching on a branch with rosehips.

Barn swallow Hirundo rustica in flight, seen from below, with a small insect in its beak

Barn swallow Hirundo rustica viewed from above with small insect in its beak

Male bullfinch in breeding plumage on flowering cherry

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