Mute Swan (Cygnus olor) - Busking - Adults if threatened
Mute Swan (Cygnus olor) - Busking - Adults if threatened assume a distinctive aggressive posture called busking - Native to Eurasia - Introduced to North America and elsewhere - Can weigh up to over 20 pounds - Not actually mute - makes a variety of calls - Wings produce loud hum in flight unlike other swans
Picture No
13714738
Media ID
43303850
Size
3744px x 5616px
(11.0MB)
Credit
www.ardea.com / John Cancalosi
Category
NA
Ardea Picture Library
Picture No
13714738
Contributor Ref
CAN-90238612
Image Date
21-02-2008
