Cooperative Breeding in Vertebrates: Studies of Ecology, Evolution, and Behavior

Field Guide to the Birds of Oman

ID Handbook of European Birds

Wesley the Owl: The Remarkable Love Story of an Owl and His Girl

The Handbook of Bird Identification: For Europe and the Western Palearctic

The Helm Guide to Bird Identification

Birds: ID Insights: Identifying the More Difficult Birds of Britain

Birds of Haryana - A Field Guide

Field Guide to the Birds of Northern India

Parrots of the World

Field Guide to Birds of the Indian Subcontinent: India, Pakistan, Sri Lanka, Nepal, Bhutan, Bangladesh and the Maldives

Field Guide to Birds of the Horn of Africa: Ethiopia, Eritrea, Djibouti, Somalia and Socotra

Field Guide to the Birds of East Africa: Kenya, Tanzania, Uganda, Rwanda, Burundi

Raptors of the World

Red Data Birds in Britain