Cygnus cygnus can be considered a swan among swans, the type species, hence archetype, of all swans. It is also a swan of superlatives. With a population of about 180,000, the whooper, though ...
This would be a serious threat to California's two native swan species, the tundra swan and trumpeter swan, with the tundra being especially vulnerable, as it is much smaller than a mute swan.
The DEC noted that the mute swans are an invasive species and pose a risk to the native wetland flora and fauna in the northeast. Manlius had mute swans in its pond for more than 100 years.
However, among the flock, there has been an unusual sighting: an invasive mute swan, a species not native to Texas or North America. Residents told MySA they spotted the mute swan on Sunday ...
Avian influenza first emerged in 1996 but since 2020, the number of outbreaks in birds has grown exponentially, alongside an ...
The Anatidae are the biological family of birds that includes ducks, geese and swans. The family has a ... The family contains around 146 species in 40 genera. They are generally herbivorous ...
Cui Liang, marketing director of Shengtian Lake in Ruicheng county, Yuncheng, Shanxi, told China Daily that the whooper swan is a rare species in China and is classified as a second-class ...