Your search for Scientific "Chroicocephalus philadelphia" resulted in 2 records.

Title: Bonaparte's gulls
Date: 2010-01-27
Creator: Rice, Jeff
Description: Bonaparte's gulls in western Washington
Listen to Bonaparte's gulls

Title: Bonaparte's Gull
Date: unknown
Creator: Colver, Kevin J.
Description: Audio recording of bird sounds
Listen to Bonaparte's Gull