Ravens in Winter

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

The Geese of Beaver Bog

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

Mind of the Raven: Investigations and Adventures with Wolf-Birds

The Helm Guide to Bird Identification

Why We Run: A Natural History

ID Handbook of European Birds

Winter World: The Ingenuity of Animal Survival

Flight Identification of European Passerines and Select Landbirds: An Illustrated and Photographic Guide

A Naturalist at Large: The Best Essays of Bernd Heinrich

Birds of Haryana - A Field Guide

The Trees in My Forest

Field Guide to the Birds of Northern India

Racing the Clock: Running Across a Lifetime

Parrots of the World

Summer World: A Season of Bounty

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

The Hot-Blooded Insects: Strategies and Mechanisms of Thermoregulation