Fåglar (ornitologi)
Filter
Most owls are almost perfectly adapted to life in the dark. Their vaguely humanoid faces reflect the spectacular evolution of their hearing and vision, which has made flight, …
Raptors--the charismatic group of birds that includes hawks, eagles, and falcons--evoke power, swiftness, and grace. Raptors, or birds of prey, gaze calmly about while at rest, …
The highly variable North American red crossbill complex has presented one of the most controversial problems in avian systematics. Although crossbills wander nomadically and breed …
The northern California coast, from Monterey County to the Oregon border, is home to some of the richest avian habitats on the North America continent. Field Guide to Birds of the …
This well-illustrated, comprehensive book summarizes what is known about the history, biology, and management of the California Quail. The California Quail is the definitive work …
This beautifully illustrated and user-friendly book presents the most up-to-date information available about the natural histories of birds of the Sierra Nevada, the origins of …
In a comprehensive investigation of macrogeographic variation in the Plain Titmouse (Parus inornatus) complex in western North America, the author assessed population-level …
In almost every location and every season, California is a birdwatchers' paradise. One can search Sierra meadows for a Great Gray Owl, the autumn estuary for a Black-bellied …