For millions of years, birds have been changing in ways that are difficult to see from the present day. A skeleton in a museum may look like a fixed record of one species, but taken together, thousands of specimens can reveal how bodies changed across vast stretches of time.

For millions of years, birds have been changing in ways that are difficult to see from the present day. A skeleton in a museum may look like a fixed record of one species, but…

Bird skeletons reveal evolutionary history shaped by climate shifts and environmental upheaval. Artificial intelligence analyzed thousands of museum specimens for anatomical…