David Steadman

yellow-bellied sea snake

Why are there no sea snakes in the Atlantic?

Sea snakes are an evolutionary success story. With about 70 species, they’re the most diverse reptile group in the ocean, outnumbering sea turtle species 10-to-...

Extinct tortoise yields oldest tropical DNA

The well-preserved skull of an extinct tortoise species. Florida Museum of Natural History photo courtesy of Nancy Albury An extinct tortoise species that a...
Florida Museum researcher David Steadman displays a 20,000-year-old American alligator fossil skull from the Ichetucknee River in north Florida. Florida Museum photo by Kristen Grace

A reptilian anachronism

American alligator older than we thought New study also shows it shared ancient Florida with giant crocodiles Florida Museum researcher David Steadman displa...
Two divers explore the ornately decorated Cascade Room in Dan's Cave.

Protecting a sunken ancient world

How the formation of a new national park in the Bahamas was driven by science Two divers explore the ornately decorated Cascade Room in Dan's Cave. Photo cour...
Florida Museum of Natural History Ornithology Curator Dave Steadman

Thomas Farm: a prehistoric treasure

Places like the Hell Creek Formation in Montana and the La Brea Tar Pits in Los Angeles echo famous prehistoric discoveries. But at the bottom of a sinkhole nea...
Reel-to-reel recording

Bird calls on demand

Digitized collection now available online Museum ornithologist Tom Webber examines a reel-to-reel tape of bird sounds in the collections.Florida Museum photo ...