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THE BLACK SWAN(CYGNUS ATRATUS)
BY MADELYN CAMPBELL
Classification Kingdom – Animalia Phylum – Chordata Class – Aves Order – Anseriformes Family – Anatidae Genus – Cygnus Species - Atratus
Classification Closely Related Waterfowl (Anatidae)
Ducks Geese Other Swans
Physical CharacteristicsSize
Male – 15-19 PoundsFemale – 11 Pounds
Features Red Eyes, Red Bill Webbed FeetWingspan
5 – 6 Feet acrossPlumage
Black with white wingtips
DistributionLargest populations in New Zealand – (60,000) and Australia – (70,000). Small Population in Tazmania
Habitat Fresh or Brackish Water Lakes Rivers Swamplands Coastal Areas
Conservation StatusThe Black Swan is protected under the Australian National Parks and Wildlife Act, 1974.It is evaluated as Least Concern on the IUCN Red List of Threatened Species. Their population is stable at around 500,000 worldwide.
Reproductive Characteristics
Mating System – Monogamous (one mate for life)
Become reproductive between 18 to 36 months
Hatch 5 to 6 eggs per “Clutch” Baby Swans are called Cygnets
Parental Care Mother stays with the eggs Father protects the mother and nest Cygnets can fly at 3 months and stay
with parents for 6 months
Longevity and Mortality Longevity
Wild – 10 yearsCaptivity – 30 years
Seasonal patterns Breeding Season – February through
September Nesting Season – April Eggs Normally Laid – April through
August
Diet Cygnets eat aquatic insects and
crustaceans (shrimp and crayfish) until 2-3 months old
Adults eat aquatic vegetation
Predators Eggs and Cygnets:
Australian Ravens Swamp Harriers Hawks Gulls Water Rats
Adults: Man
Human Relationships Protected in Australia Hunted in New Zealand (Invasive
Species) Feathers used for decorative purposes
Fun Facts Swans are the largest flying bird Can Fly 50 to 60 Miles an Hour It takes a cygnet 24 hours to peck out of its egg The Black Swan has the longest neck of any Swan A female Swan is known as a Pen
Works Cited “Cygnus Atratus”, Black Swan, Animal Diversity Web, copyright
2012, Regents of University of Michigan, http://animaldiversity.ummz.umich.edu
“Black Swan (Cygnus Atratus). “Birds. N.p., 29 Apr. 2007. Web 24 Feb 2013, http://www.wildanimalsonline.com/birds/blackswan.php
“Black Swan Cygnus Atratus.” Bird Zoo Damisela. Mariano Jimenez, 1 Feb 1999. Web. 24 Feb 2013. Http://www.damisela.com/zoo/ave/otros/anser/anatidos/cisne/black/indexe.htm
Johnson, Sybille F. “Black Swans. “AvianWeb.com. AvianWeb LLC, July 2012. Web. 24 Mar. 2013. Http://www.avianweb.com/blackswans.html
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