Being mammals, young platypuses feed on mothers' milk until they are old enough to learn to dive and forage for food in rivers and creeks.
Baby platypuses are very shy, as are the adult platypuses.
No. Platypuses do not eat mangroves or any other plant matter.
When first hatched, baby platypuses weigh less than a gram.
Platypuses do not eat earthworms or other terrestrial worms. They eat aquatic annelid worms.
No. Platypuses eat small water animals such as aquatic insect larvae, fresh water shrimp, annelid worms, yabbies and crayfish. During summer, they eat more than during winter, in order to build up reserves of fat.
No. Platypuses eat small water animals such as aquatic insect larvae, fresh water shrimp, annelid worms, yabbies and crayfish. They do not eat anything terrestrial.
No. Cougars do not eat platypuses, for the simple reason that platypuses and cougars occupy different continents. Platypuses are endemic to Australia, and there are no cougars in Australia.
Probably the largest thing which platypuses eat are small yabbies, which are a type of freshwater crayfish.
No whales eat fish
Yes. Being mammals (albeit egg-laying mammals), baby platypuses must feed on mothers' milk.
Platypuses do not eat plankton, so they do not need to find it.
No. Platypuses, like echidnas, are monotremes, meaning they are egg-laying mammals. Baby platypuses hatch from soft, leathery eggs.