Baleen Whales:
* Krill: Tiny crustaceans that live in large swarms.
* Plankton: Microscopic organisms that float in the water.
* Small fish: Like herring, sardines, and anchovies.
* Squid: Some species, like the humpback whale, are known to eat squid.
Toothed Whales:
* Fish: This includes a wide range of fish, from small fish to large sharks.
* Squid: A common food source for many toothed whales.
* Other marine mammals: Some toothed whales, like orcas, are known to prey on seals, sea lions, and even other whales.
* Seabirds: Some toothed whales, like dolphins, will occasionally eat seabirds.
* Octopuses: Some toothed whales, like sperm whales, are known to eat octopuses.
It's important to remember that each species of whale has its own unique diet based on its size, habitat, and hunting strategies.