Birds like northern cardinals, rose-breasted grosbeaks, evening grosbeaks and purple finches have thick, short beaks designed ...

Black oil sunflower seeds attract a variety of birds — cardinals ... Chickadees and titmice, however, have tiny beaks and are unable to crack open a sunflower seed with their beaks alone.

For wildlife, climate change is a bit like the "final boss" the protagonist faces in a video game: big, hulking and inescapable.Authors Sara Ryding ...

The rattle is in the form of a bird with open curved beak, round eyes, straight tipped wings, a straight tipped tail and a ...

Under these drastically changing conditions, the struggle to survive favored the larger birds with deep, strong beaks for opening the hard seeds. Smaller finches with less-powerful beaks perished.

Our two pieces of recent research identified that, in response to warming, more than 100 species of Australian birds have developed smaller bodies and bigger beaks over time. When we talk about ...

Australian birds are changing shape due to rising temperatures. Over 100 species show smaller bodies and larger beaks, aiding heat dissipation. Long-term warming increases beak size, but short ...