It's the time of year that geese migrate south for the winter. Isn't it? So why are there so many geese still hanging around, setting up housekeeping on our parks and golf courses? Did they decide to forgo the long trip north? In the early 1900s, non-migratory geese were brought in by the…

A parrot’s eyes are located on the sides of its head. So, if it wants to look at something — say, a delicious piece of fruit — it has to cock its head one way or the other do it. And if it looks with its left eye, then uses its left foot. Scientists call this handedness. That’s when one…

To find out if a crow can recognize an individual human face, Professor John Marzluff of the University of Washington wore a mask while trapping, banding, and then releasing seven American Crows on campus. Later, when he walked through the campus wearing the mask, it was automatic! A big…

The song of the Black-capped Chickadee pretty much the same throughout the U.S. and Canada — with just a few exceptions, like on some Massachusetts islands. Chickadees on Martha’s Vineyard and tiny Tuckernuck Island nearby have developed songs entirely their own. It’s likely that the birds…

Many Brown-headed Nuthatches make their home in the tall longleaf pines of the Apalachicola National Forest in Florida. Twittering constantly, the birds probe for tiny insects or extract seeds from cones in the trees’ upper branches. Forests of longleaf pine once dominated the sandy…

The songs of two common finches provide a steady soundtrack in cities across North America: the House Finch and the American Goldfinch. While they can sound similar, a couple of key features help set them apart. House Finches sing sweetly but often have a sharp, buzzy note near the end…

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 an eagle nest made largely out of dried kelp. Back in the ‘90s, that very nest had been made out of tree branches. What changed? Sea Otters…

As most young male birds get ready to leave the nest, they learn their species’ song by hearing their male parent sing it again and again. They imprint on their father’s song. So how does a Brown-headed Cowbird, raised by parents of a different species, learn to sing the correct song? The…

Like most juvenile shorebirds, this young Black-bellied Plover was abandoned by parents that began their southbound flights from the Arctic National Wildlife Refuge a few weeks earlier. It will join other young Black-bellied Plovers as they make their way south. This little flock of birds…

Found throughout North America, the common sunflower can grow up to ten feet high, towering over other herbs and grasses. And that’s only half the story: their roots can reach just as deep in the soil. They’re rugged, adaptable plants that bring beauty — and food — to the ecosystem…