American White Pelican Wrestling Fish
American White Pelican wrestling fish at Kerr Dam, using its pouch to reset the grip before swallowing. See the full sequence.
gular pouch
American White Pelican Gular Pouch Behavior Explained
An American White Pelican stretches its gular pouch on the Arkansas River in Oklahoma, giving a rare look inside this feeding adaptation.
Pelican Gular Stretch in Flight (Slow Motion Video)
Pelican gular stretch caught in slow motion at Kerr Dam on the Arkansas River. What it is, why it happens, and what to watch for.