Bird

House martin Delichon urbicum at nest in the eaves

House martin Delichon urbicum in flight showing tail and wing shape

Swift Apus apus in flight showing sickle shaped wings and dark stomach

Swift Apus apus and House martin Delichon urbicum comparison of the two birds in flight

Nesting tower for swifts, martins, & bats diagram showing the slots for bats, curved slits for swifts and nests for martins

Fieldfare Turdus pilaris with hawthorn berry sitting on branch

Fieldfare pair Turdus pilaris in hawthorn tree with one eating a berry.

Tawny owl Strix aluco sat on a branch, showing mottled plumage and large eyes.

Male Pied flycatcher in amongst leaves of the English oak Quercus robur

Spotted flycatcher Muscicapa striata perched on a gravestone, eating a beetle.  Completed for Cusop Churchyard nature panel.

Redwing Turdus iliacus perched on a branch, with a berry in its beak

Green woodpecker Picus viridis anting for parasite removal

Greater Spotted woodpecker Dendrocopos major seeking food.  Using its beak to pry under areas of bark, the woodpecker looks for small insects.

Digestive system of bird using domestic chicken, in diagram format, with close up of gizzard

Comparison of Beak use in Darwin’s Finches.  Stippled illustration showing singing, feeding, and preening.

Beak comparison in Darwin’s finches showing use feeding, singing, and preening.  Line drawing.

Singing Darwin’s Finch Geospiza fulginosa showing beak in use.  

Singing Darwins Finch Geospiza fuliginosa.  Line drawing showing Galapagos finch and beak use.

Bird preening Darwins Finch Geospiza magnirostris line drawing showing the beak in use in parasite removal

Preening Darwins Finch Geospiza magnirostris line drawing showing the beak in use in parasite removal

Darwins Finch Geospiza magnirostris with Tribulus seed.  Stippled illustration showing beak adaptability.

Darwin’s Finch Geospiza magnirostris with Tribulus seed (line drawing)

Collared dove Streptopelia decaocto in copper beech tree in spring time.

Collared dove Streptopelia decaocto in flight with outstretched wings.