Birds. … Thus coastal birds enjoy feasting on larvae offshore, young growing crabs on sedimented shorelines and adults in seagrass beds or marshes. Herons, egrets and diving ducks have been seen eating blue crabs. Herons will stab crabs and crunch up the shells with their large beaks before swallowing them whole.

What animals like to eat crabs?

Jellyfish, eels, rays, and turtles also enjoy crabs, as does the octopus, whose powerful (and sometimes poisonous) beak and suction-cup laden tentacles can break a crab’s shell and pick a crab with as much skill as a human does. Octopuses don’t mess around.

What can I feed egrets?

Diet and Nutrition

Great egrets are carnivores (piscivores). Their usual diet consists primarily of fish. However, they can feed upon wide variety of aquatic animals, including frogs and crustaceans. They will also consume terrestrial species such as rodents and grasshoppers.

An adult heron can easily consume up to 1lb of fish per day. This equates to roughly 3 x 7 inch long Koi that cost about $70 each.