Evolution of Communal Roosting: A Social Refuge–Territory Prospecting Hypothesis

Activity Budgets, Foraging Behavior, and Diet of White-Tailed Kites (Elanus leucurus) During Breeding and Nonbreeding Seasons In the Argentine Pampas

Nesting Success and Nest-Site Selection of White-Rumped Vultures (Gyps bengalensis) In Western Maharashtra, India

Estimation of Population Density of Bearded Vultures Using Line-Transect Distance Sampling and Identification of Perceived Threats In the Annapurna Himalaya Range of Nepal

Nest-Site Selection In A High-Density Colony of Burrowing Owls

Winter Scavenging of Ungulate Carrion By Bald Eagles, Common Ravens, and Coyotes In Northern Arizona

Nutritional Condition of Hybrid Nestlings is Similar to that of Pure-Species Offspring of Spotted Eagles (Clanga clanga × C. pomarina)

Lead Exposure in the Critically Endangered Bearded Vulture (Gypaetus barbatus) Population in Southern Africa

A Large Aggregation of 50 Peregrine Falcons (Falco peregrinus) During Migration in the Western Gulf of Mexico

Inter-island Movements of Two Barbary Falcon (Falco peregrinus pelegrinoides) Juveniles in the Canary Islands

The Contribution of Citizen Science to the Conservation of the Lesser Kestrel (Falco naumanni) in Israel

Bald Eagle Predation by an American Alligator

Records of Orange-breasted Falcons in Urban and Suburban Areas of Northwestern Argentina

Nest Records of Two Large Eagles in Colombia and Ecuador

Successful Renesting After Brood Loss by Southern Bald Eagles (Haliaeetus leucocephalus leucocephalus)

Is the Slope Between the Alborz Mountains and Caspian Sea in Northern Iran a Bottleneck for Migrating Raptors?

Information For Contributors

Index to Volume 52