Ian Wallace

Ornithologist and conservationist

English biologist, philosopher, author

British ornithologist and author

British author and naturalist

British Ornithologist

British ornithologist

British ornithologist

American naturalist and ornithologist; writer of field guides

British ornithologist and writer

English ornithologist, writer, and broadcaster

British environmentalist and ornithologist

British actor, writer, composer, musician, comedian, ornithologist, conservationist, television presenter

English ornithologist and author

British ornithologist, conservationist, painter, naval officer and sportsman

British Quaker teacher and writer, pacifist and ornithologist

Australian ornithologist

British naturalist

British ornithologist and writer

Naturalist, broadcaster and educator

Pioneering English ornithologist

English zoologist and ornithologist

American ornithologist and inspiration for the name of the fictional spy

British ornithologist, author and broadcaster

English ornithologist

English ornithologist

British ornithologist and television producer

German-American Evolutionary Biologist

British ornithologist, environmental activist and academic

British ornithologist and photographer

British artist

British zoologist and author

Ornithology, Art, Natural History, author

British immunologist

British zoologist

Ornithologist

British malacologist and embryologist

British zoologist

English entomologist

British entomologist

British entomologist

British entomologist

British medical entomologist

Welsh-Canadian entomologist and botanist

British marine biologist

Australian zoologist

British zoologist

British cetologist

British zoologist

British ethologist

British businessman, politician and author

British ornithologist

British zoologist