These pterosaurs had wingspans as long as 33 feet, and scans of fossilized remains reveal a surprise in their anatomy.
Before metamorphosis, monarch butterflies will aggressively head butt each other for access to their favorite food.
To call it flying would be generous.
Animals called caecilians may have been among the first vertebrates on land to lace their bites with venom.
Researchers in Japan have developed a soap bubble-based pollination method that is as effective as doing it by hand.