[EBB Sightings] Swift vocalizations

Research has shown that some species of swifts use the high twittering noise
as a means of navigational echolocation. Here's a link to a brief article on
Wikipedia...

http://en.wikipedia.org/wiki/Swift

Scott L Ford, DVM
The Medical Center for Birds
3805 Main St
Oakley, CA 94561
Bus Tel: 925-625-1878
Cell: 360-271-7000
Mobile Fax: 206-201-5251
E-Mail: akeaglevet at yahoo.com
Providing excellent care for companion and wild birds.
 
"The godly are concerned for the welfare of their animals..." Proverbs
12:10a