Birds (ornithology)

Enjoying Ornithology

Ronald Hickling

The Whooper Swan

Mark Brazil

Birds of Northern India

Richard Grimmett i Tim Inskipp

Birds of Oman

Michael Gallagher i Martin Woodcock

The Great Auk Or, Garefowl

Symington Grieve

Rare Birds in Britain and Ireland: (1976)

J.T.R. Sharrock i E.M Sharrock

The Boreal Owl: Ecology, Behaviour and Conservation of a...

Finland) Korpimaki Erkki (University of Turku i Finland) Hakkarainen Harri (University of Turku

The Barnacle Goose

Jeffrey M. Black, Jouke Prop, et al.

Birds of Pakistan

Richard Grimmett i Tim Inskipp

The Albatross and the Fish: Linked Lives in the Open Seas

Robin W. Doughty i Virginia Carmichael

African Raptors

Bill Clark i Rob Davies

Guide to the Birds of Honduras

Robert J Gallardo, Michael DiGiorgio, et al.