During their early life:
* Birds of prey: Egrets, hawks, and owls are known to prey on young platypuses while they are still vulnerable in the burrows.
* Snakes: Some snake species, particularly water snakes, may also target young platypuses.
As adults:
* Eels: Larger eels, particularly in rivers and estuaries, can pose a threat to adult platypuses.
* Large fish: Some larger fish species, like Murray cod, may occasionally prey on platypuses.
* Goannas: Goannas, particularly the larger species, can prey on adult platypuses on land.
* Dingoes: Dingoes, native wild dogs, can also pose a threat to adult platypuses, especially those near water sources.
* Introduced predators: In some areas, feral cats and foxes have been known to prey on platypuses.
Additional threats:
* Humans: Although not a direct predator, humans can indirectly harm platypuses through habitat loss, water pollution, and fishing activities.
It's important to note that the platypus's unique venom spurs are a defense mechanism against predators, though their effectiveness against larger animals is debatable.
Overall, the platypus faces a diverse range of predators throughout its life, and its survival depends on its ability to avoid these threats and utilize its unique defense mechanisms.