All but two of 32 cygnets hatched at a black swan refuge in South Perth that cost nearly $2 million to build – but is the subject of no official ongoing monitoring – have died, according to residents ...

A mute swan typically has only one mate in its lifetime ... Tell it apart from native tundra and trumpeter swans by its orange bill with a black knob. Mute swans have a big appetite—one study ...

The whooper swan, like its onomatopoeic cousins, the whistling and the trumpeter, belongs to an elegant society of sisters; the mute, Bewick's, black ... to loss of habitat, is among the most ...

The black swan habitat Djirda Miya, completed in 2021 with local and state funding, has only had a few cygnets survive each year since, according to community group Wildlife Advocacy South Perth.