资讯

The trumpeter swan was on the brink of extinction 50 years ago. But restoration efforts in Ontario have helped the species make a comeback throughout Canada and the United States, writes Karen ...
A species of black swan was hunted to extinction in New Zealand after the arrival of humans on the islands. Australia has a famous population of black Cygnus atratus swans. Now, Nicolas Rawlence ...
The birds were hunted nearly to extinction by the 1880s for their meat, feathers and the leather on their feet. In the 1980s retired biologist Harry Lumsden began the work of reviving the population.
A black swan flies at sunset in Centennial Park in Sydney, February 13, 2013. A tall, bulky and probably near-flightless black swan once roamed New Zealand before it was hunted to extinction ...
Learn swan facts, including what swans eat, ... Trumpeter swans almost went extinct during the early 1900s—fewer than 100 were in the Lower 48 at one point.
Our native swans, the trumpeters, are a magnificent swan with a tremendous wingspan of almost eight feet and a weight up to 30 pounds. These immense swans once graced our skies with their loud ...
Wild Bulletin, Indiana Department of Natural Resources (DNR) Fish and Wildlife: March is the beginning of peak nesting season for Indiana’s state-endangered trumpeter swan.During the nesting season, ...
In the cool of the desert night near Uluru in Central Australia, Shaeleigh Swan and her colleagues have been counting malas. Parks Australia says the Uluru mala wallaby population is now stable at ...