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Cygnus olor -Mute Swan. Where it came from.  Europe  Asia  Northern Africa

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Presentation on theme: "Cygnus olor -Mute Swan. Where it came from.  Europe  Asia  Northern Africa"— Presentation transcript:

1 Cygnus olor -Mute Swan

2 Where it came from.  Europe  Asia  Northern Africa http://en.wikipedia.org/wiki/Cygnus_olor

3 Introduced Species  Introduced to North America.  Australasia  southern Africa http://en.wikipedia.org/wiki/Cygnus_olor

4 Description  The name 'mute' derives from its being less vocal than other swan species.  Heaviest flying bird.  Aggressive http://en.wikipedia.org/wiki/Cygnus_olor

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6 Need to know more.  “mute swans have often inspired positive thoughts from Americans who know little about the consequences of having them in the wild. But given the real-world ecological problems this exotic (non-native) species has caused for native waterfowl, it's apparent to most wildlife enthusiasts that America would be better off without it.”  http://www.pgc.state.pa.us/pgc/cwp/view.asp?a =468&q=151812

7 Hungry swan  greatest concerns is that mute swans can and do severely disrupt natural food chains, because their large appetites and year-round presence put tremendous pressure on aquatic vegetation resources. http://www.pgc.state.pa.us/pgc/cwp/view.asp?a=468&q=151812

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9 Where they are

10 Defensive  Can be tame, very defensive when it comes to protecting the nest.

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12 Babies (Cygnets)

13 Juvenile Mute Swan

14 Full Grown Swan

15 Sex difference  Sexes look alike, male slightly larger and with larger knob on bill. http://www.birds.cornell.edu/AllAboutBirds/BirdGuide/Mute_Swan.html#description

16 Conservation Status  Its aggressive nature can disrupt the nesting of native waterfowl. It is protected in some states, but not others. Some states are attempting to control Mute Swan numbers. http://www.birds.cornell.edu/AllAboutBirds/BirdGuide/Mute_Swan.html#description

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18 Other names  Cygne tuberculé (French) Cisne vulgar (Spanish)


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