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Western Tanagers Are Flashes of Bright Color
Western Tanagers dart from tree to tree, on the lookout for delicious bugs. They’ll find them by scanning the tree bark — or maybe snatching them fro…
2 months, 1 week ago
Ornate Hawk-Eagle: The Elegant Eagle
Ornate Hawk-Eagles stand out from other raptors with their impressive crest that looks like an elegant crown in adults, and a punk hairdo over the wh…
2 months, 1 week ago
Diving Birds Are Dense
While many birds have hollow bones that make flying a breeze, diving birds are built differently. The bones of divers such as Common Loons are denser…
2 months, 1 week ago
Razorbills Swim in Synchrony
Razorbills, a cousin to the puffin, nest in colonies on cliffs. Before they lay eggs, Razorbills take part in two unique social behaviors. In one, th…
2 months, 1 week ago
Welcoming Back Common Loons
The call of the Common Loon is a symbol of the far north. But the species once nested as far south as southern New England, Ohio, Iowa, and Californi…
2 months, 2 weeks ago
How Terns Read the Water
Like an expert angler, a tern can read the surface of the water to find where to catch its next fish. Scientists piloted a drone to track the flight …
2 months, 2 weeks ago
Finches Singing Over the Sidewalk
The songs of two common finches provide a steady soundtrack in cities across North America: the House Finch and the American Goldfinch. While they ca…
2 months, 2 weeks ago
Giving Your Cat a Great Life Indoors
Outdoor cats kill billions of birds each year in North America — and they live much shorter lives than indoor cats. But life as an indoor cat doesn’t…
2 months, 2 weeks ago
Bald Eagles' Daredevil Cartwheel Flight
Two eagles locking talons high above the ground might look like they’re risking injury, but it’s a normal courtship behavior called the “cartwheel di…
2 months, 2 weeks ago
Kelp in the Eagles’ Nest
A pair of Bald Eagles will reuse their nest each year and repair it with new tree branches. But recently in British Columbia, scientists came across …
2 months, 2 weeks ago