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

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

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

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

Anting Green woodpecker Picus viridis
Green woodpecker Picus viridis anting for parasite removal

Feeding Greater Spotted woodpecker Dendrocopos major
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
Digestive system of bird using domestic chicken, in diagram format, with close up of gizzard

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

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

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

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

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

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

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

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

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

Collared dove Streptopelia decaocto in flight
Collared dove Streptopelia decaocto in flight with outstretched wings.

Collared dove Streptopelia decaocto seated
Seated collared dove, cut to white, showing black collar. Private commission

Short-eared owl Asio flammeus
Short-eared owl Asio flammeus in heather

Breast feather of Cockerel
Breast feather of Cockerel, showing orange colour and area of green glittering iridescence.

Two Little stint Calidris minuta
Two Little stint Calidris minuta in summer plumage on shoreline

Little stint Calidris minuta
Little stint Calidris minuta in summer plumage

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

Woodpecker skull
Woodpecker skull with hyoid structure and tongue Illustration from “30 Animals that made us smarter” by Patrick Ayree (BBC Books).