For ecologists, the Covid-19 pandemic has presented a remarkable natural experiment in what can happen to wild animals when ...

When students vanished during the pandemic from the University of California, Los Angeles, the beaks on its campus songbirds ...

Over the years, scientists have learned about literally thousands of different bird species, and each one sports a distinctive beak shape. But why do bird beaks come in so many different shapes and ...

The shape of the beaks of different species of Galapagos finches played an important part in Darwin’s conception of natural selection. “In our field there is this presumption that the beak shape ...

For more than a century the only known skulls of the ancient bird Ichthyornis were either fragmentary, smashed flat or both. Now, high-tech analyses of four fossilized three-dimensional skulls provide ...