A guide to bird nests: how, where and why birds make nests - Discover Wildlife

Smithsonian Insider – Bird nests: Variety is Key for the world's avian Architects

Birds and Observing Them (U.S. National Park Service)

How to identify bird and mammal nests - Discover Wildlife

How to Identify a Bird Nest

A guide to bird nests: how, where and why birds make nests - Discover Wildlife

Birds are amazing builders — their nests show diverse ways of protecting a family

How to identify bird and mammal nests - Discover Wildlife

Nest Hunt New York State Parks and Historic Sites Blog

How to identify bird egg thieves - Discover Wildlife

When bird nests on the ground aren't a bad thing