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Toucan – Tropical Icon
In the Amazon, a cacophony of birdcalls surrounds you. One piercing, cheerful yelp catches your ear. Could this be the same sound you remember from a…
1 year, 4 months ago
Pygmy-Owls' False Eyes
This Northern Pygmy-Owl appears to have eyes in the back of its head. But why? One theory is that large false eyes may create the illusion that the o…
1 year, 4 months ago
Bright Yellow Northern Cardinals
Northern Cardinals are known for their iconic red feathers, yet that scarlet hue is actually derived from yellow pigments in their food. Most cardina…
1 year, 4 months ago
Birds of Prey and Nesting Territories
Red-tailed Hawks typically have a nesting territory of about a half-mile to a full square mile, depending on how much food there is. Bald Eagles’ nes…
1 year, 4 months ago
Convocations, Coveys and Charms
Everybody’s heard of a gaggle of geese and a covey of quail. But what’s a group of penguins called? And a “conspiracy” of ravens? Maybe the way we la…
1 year, 4 months ago
Listening in on Birds
Collecting data on wild birds is crucial for their conservation. But it requires huge amounts of effort. One way to help streamline the process is wi…
1 year, 4 months ago
What If You Only Have a Feather?h
Sometimes all you need to identify a bird is a single feather. Because collecting bird feathers is prohibited in the U.S. to protect birds from poach…
1 year, 4 months ago
Gull Identification II
The challenge of learning which gull is which brings to mind a crossword puzzle. Take in all the clues, and come up with the right answer. For identi…
1 year, 4 months ago
Common Mergansers Pushed by the Ice
Around this time of year, Common Mergansers cross the U.S.-Canadian border on their way to wintering grounds in the Lower 48. But how do they know wh…
1 year, 4 months ago
Migrations: Which Came First, North- or South-bound Migration?
Every year, hundreds of bird species migrate between North and South America. Some species likely evolved from ancestors that moved north in search o…
1 year, 4 months ago