Reference

RSPB Trees of the British Isles (A photographic identification guide)

Keeping Chickens (How to Choose and Care for Chickens at Home)

Nature Guide to the Northern Forest (Exploring The Ecology Of The Forests Of New York, New Hampshire, Vermont, And Maine)

Common Lichens of the Eastern United States (Easily Identify 58 Widespread Types)

Birds of Santa Cruz

Nature Smart: Midwest (Discover the Natural World Around You)

Birds What's in a Name? (from Accipiter to Zoothera The Origin of Bird Names)

A Field Guide To Reptiles And Frogs Of The Red Centre.

Drawing Nature (The Creative Process of an Artist, Illustrator, and Naturalist)

Birds of Prey of the East (A Field Guide)

The World Atlas of Rivers, Estuaries, and Deltas

Sharks of the World (A Complete Guide)

Field Guide to Sharks, Rays & Chimaeras of Europe and the Mediterranean

Trees of Life

The Lives of Lichens (A Natural History)

The Lives of Bees (A Natural History of Our Planet's Bee Life)

Plant Galls of the Western United States

A Pocket Guide to Sharks of the World (Second Edition)

A Swift Guide to Butterflies of North America (Second Edition)

Birds of Chile (A Photo Guide)

Birds of the Middle East Third Edition

The Lives of Butterflies (A Natural History of Our Planet's Butterfly Life)

Waterfowl of North America, Europe, and Asia (An Identification Guide)

Gulls Simplified (A Comparative Approach to Identification)

Birds of Eastern North America (A Photographic Guide)

Gulls of the World (A Photographic Guide)

All About Birds Southeast

All About Birds Texas and Oklahoma

Caterpillars of Eastern North America (A Guide to Identification and Natural History)

Dogpedia (A Brief Compendium of Canine Curiosities)

What Is a Bird? (An Exploration of Anatomy, Physiology, Behavior, and Ecology)

The Ant Collective (Inside the World of an Ant Colony)

Birds of Southern Africa (Fifth Revised Edition)

Britain's Day-flying Moths (A Field Guide to the Day-flying Moths of Great Britain and Ireland, Fully Revised and Updated Second Edition)

Snakes of the World (A Guide to Every Family)

Birds of South America (Non-Passerines: Rheas to Woodpeckers)

A Field Guide to the Larger Mammals of South America

Europe's Birds (An Identification Guide)

The Princeton Field Guide to Pterosaurs

Britain's Mammals Updated Edition (A Field Guide to the Mammals of Great Britain and Ireland)

Terns of North America (A Photographic Guide)

Birds of the Horn of Africa (Ethiopia, Eritrea, Djibouti, Somalia, and Socotra - Revised and Expanded Edition)

Birds of the Greater Sundas, the Philippines, and Wallacea

Dinosaur Facts and Figures (The Sauropods and Other Sauropodomorphs)

The Cow (A Natural and Cultural History)

Birds of Western North America (A Photographic Guide)

Britain's Spiders (A Field Guide - Fully Revised and Updated Second Edition)

The Lives of Spiders (A Natural History of the World's Spiders)

RSPB Trees of the British Isles (A photographic identification guide)

Keeping Chickens (How to Choose and Care for Chickens at Home)

Nature Guide to the Northern Forest (Exploring The Ecology Of The Forests Of New York, New Hampshire, Vermont, And Maine)

Common Lichens of the Eastern United States (Easily Identify 58 Widespread Types)

Birds of Santa Cruz

Nature Smart: Midwest (Discover the Natural World Around You)

Birds What's in a Name? (from Accipiter to Zoothera The Origin of Bird Names)

A Field Guide To Reptiles And Frogs Of The Red Centre.

Drawing Nature (The Creative Process of an Artist, Illustrator, and Naturalist)

Birds of Prey of the East (A Field Guide)

The World Atlas of Rivers, Estuaries, and Deltas

Sharks of the World (A Complete Guide)

Field Guide to Sharks, Rays & Chimaeras of Europe and the Mediterranean

Trees of Life

The Lives of Lichens (A Natural History)

The Lives of Bees (A Natural History of Our Planet's Bee Life)

Plant Galls of the Western United States

A Pocket Guide to Sharks of the World (Second Edition)

A Swift Guide to Butterflies of North America (Second Edition)

Birds of Chile (A Photo Guide)

Birds of the Middle East Third Edition

The Lives of Butterflies (A Natural History of Our Planet's Butterfly Life)

Waterfowl of North America, Europe, and Asia (An Identification Guide)

Gulls Simplified (A Comparative Approach to Identification)

Birds of Eastern North America (A Photographic Guide)

Gulls of the World (A Photographic Guide)

All About Birds Southeast

All About Birds Texas and Oklahoma

Caterpillars of Eastern North America (A Guide to Identification and Natural History)

Dogpedia (A Brief Compendium of Canine Curiosities)

What Is a Bird? (An Exploration of Anatomy, Physiology, Behavior, and Ecology)

The Ant Collective (Inside the World of an Ant Colony)

Birds of Southern Africa (Fifth Revised Edition)

Britain's Day-flying Moths (A Field Guide to the Day-flying Moths of Great Britain and Ireland, Fully Revised and Updated Second Edition)

Snakes of the World (A Guide to Every Family)

Birds of South America (Non-Passerines: Rheas to Woodpeckers)

A Field Guide to the Larger Mammals of South America

Europe's Birds (An Identification Guide)

The Princeton Field Guide to Pterosaurs

Britain's Mammals Updated Edition (A Field Guide to the Mammals of Great Britain and Ireland)

Terns of North America (A Photographic Guide)

Birds of the Horn of Africa (Ethiopia, Eritrea, Djibouti, Somalia, and Socotra - Revised and Expanded Edition)

Birds of the Greater Sundas, the Philippines, and Wallacea

Dinosaur Facts and Figures (The Sauropods and Other Sauropodomorphs)

The Cow (A Natural and Cultural History)

Birds of Western North America (A Photographic Guide)

Britain's Spiders (A Field Guide - Fully Revised and Updated Second Edition)

The Lives of Spiders (A Natural History of the World's Spiders)