Molt is an important avian life history event in which feathers are shed and replaced. The timing, duration, seasonality, extent and pattern of molt follows certain strategies and this book reviews and describes these strategies for nearly 190 species based on information gathered from a 30-year study of Central Amazonian birds. Most species accounts are illustrated with several color photos focusing on wing and tail feather molt, molt limits, and how to use these patterns to accurately ag...

The Illustrated Encyclopedia of North American Reptiles and Amphibians describes and illustrates over 1,000 species of turtles, tortoise, lizards, snakes, alligators, salamanders, frogs, and toads. With Over 30,000 color photographs, this encyclopedia is for every naturalist from the novice to the experienced observer.FEATURES:- Information about each North American Reptile and Amphibian. - Over 30,000 color photographs. - Intuitive navigation: navigate from Table of Contents or search for...

More science and less art leads to bigger fish and fewer talesMost anglers rely on advice from fishing buddies or books by well-known but unscientific anglers. Here is a book that distills the science of fish behavior into easy-to-follow advice on how to catch fish in any situation. Describing how feeding behavior in fish changes in response to fluctuations in dissolved oxygen, turbulence, turbidity, temperature, light, noise, and other factors, Bagur advises you o...

As fascinating as they are beautiful, butterflies are a pleasure to watch and an important group of invertebrates to study. This second edition of the award-winning book The Complete Field Guide to Butterflies of Australia is a fully updated guide to all butterfly species on Australia's mainland and remote islands. Written by one of Australia's leading lepidopterists, the book is stunningly illustrated with colour photographs, many of which are new, of each of the 435 currently recognised spe...

"A unique review of the many unusual and nearly worldwide occurrences of sabertooths and their relatives over more than 50 million years." — ChoiceWith their spectacularly enlarged canines, sabertooth cats are among the most popular of prehistoric animals, yet it is surprising how little information about them is available for the curious layperson. What's more, there were other sabertooths that were not cats, animals with exotic names like nimravids, barbo...

Dragonflies and Damselflies of the West is the first fully illustrated field guide to all 348 species of dragonflies and damselflies in western North America. Dragonflies and damselflies are large, stunningly beautiful insects, as readily observable as birds and butterflies. This unique guide makes identifying them easy--its compact size and user-friendly design make it the only guide you need in the field. Every species is generously illustrated with full-color photographs and a ...

The first comprehensive illustrated guide to North America's vagrant birdsRare Birds of North America is the first comprehensive illustrated guide to the vagrant birds that occur throughout the United States and Canada. Featuring 275 stunning color plates, this book covers 262 species originating from three very different regions—the Old World, the New World tropics, and the world's oceans. It explains the causes of avian vagrancy and breaks down patterns ...

Marine Flatworms provides a fascinating introduction to the intriguing world of polyclad flatworms, a group of large, free-living marine Platyhelminthes, which are found throughout the world but are most colourful in tropical waters. Although not related to molluscs, they are often mistaken for sea slugs because of their brilliant colour patterns. Written in an accessible style by two leading experts in the field, this book explores flatworms’ unusual structure, feeding habits, their curious ...

At the biological crossroads of the Americas, Costa Rica hosts an astonishing array of plants and animals—over half a million species! Ecotourists, birders, and biologists come from around the world, drawn by the likelihood of seeing more than three or four hundred species of birds and other animals during even a short stay. To help all these visitors, as well as local residents, identify and enjoy the wildlife of Costa Rica, Carrol Henderson published Field Guide to the Wildlife of Co...

A complete illustrated guide to these enigmatic seabirdsPetrels, albatrosses, and storm-petrels are among the most beautiful yet least known of all the world's birds, living their lives at sea far from the sight of most people. Largely colored in shades of gray, black, and white, these enigmatic and fast-flying seabirds can be hard to differentiate, particularly from a moving boat. Useful worldwide, not just in North America, this photographic guide is based on unr...

No other human-caused extinction event has been as spectacular and as pervasive in the literature as that of the passenger pigeon (Ectopistes migratorius). However, documentation of this event relies on personal journals, newspaper and magazine articles, and a few volumes that summarize some of the events after the passenger pigeons were extinct. The prevalent message from most of the articles is that passenger pigeons, once the most abundant bird on the planet, went extinct because humans...

Fully revised, the new edition of Steve Woodhall’s lavishly illustrated Field Guide to Butterflies of South Africa features all of South Africa’s 671 butterfly species. This popular field guide now includes 11 new species and incorporates the most recent taxonomic changes based on DNA studies. As with the first edition, the photography is exceptional and a full two-thirds of the images in the book are new. An invaluable aid to identification, they show male and female forms (where they dif...