Wednesday, August 18, 2010

Listening to Caspian Terns ... around the World

Xeno-Canto is a community database of shared bird sounds from the whole world and has a nice recordings from the United States, Mexico, Oman, Poland, New Zealand and Australia.


Monday, August 16, 2010

Birder's World has a great tern id article

Large terns

Why bill color remains an important field mark for identifying Caspian and Royal Terns

Contributed by David Allen Sibley
Published: June 25, 2010
Contributing Editor David Allen Sibley discusses wingtip markings, forehead color, and overall shape of Caspian Tern and Royal Tern and tells why bill color remains an important field mark for identifying the species. Accompanying the article are paintings by Sibley showing the head of each species.


Sunday, August 1, 2010

Caspian Tern TV

http://www.youtube.com/watch?v=0frrs8mEVEQ&feature=youtube_gdata

It's only an intro from in the lab, but soon there will be a regular posting of great Caspian Tern video segments. Stay tuned.