No whales eat fish
No. Platypuses do not eat mangroves or any other plant matter.
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. 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. Killer whales eat gray whales.
Platypuses do not eat plankton, so they do not need to find it.
Platypuses do not eat land food. They feed entirely off crustaceans and small water creatures.
No. Platypuses do not eat grass or any other vegetation. They are carnivorous, feeding only on small aquatic invertebrates.
yes killer whales do eat pilot whales
Most whales like humpback whales, sperm whales, and blue whales eat krill or plankton. Killer whales eat penguins, seals, or turtles.
Platypuses do not have teeth, but hard bony plates which they use to grind the food.