Purple martins are gorgeous backyard birds, known for their iridescent feathers and mid-sky acrobatics. As North America’s largest swallows, they are integral to the ecosystem, consuming thousands of ...
Purple martin populations have dropped 33% in the last 50 years because of habitat loss and competition from invasive, non-native birds, including English house sparrows and European starlings, ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback