Context: Flamingos live near marshes, rivers, and oceans. They eat small crustaceans that live in shallow water. Flamingos get their food by walking through water, or wading.
The 's legs are adapted for wading. They are lightweight and keep the bird's body above the water.
Figure: flamingo.
Which animal's legs are also adapted for wading?
A. African penguin
B. gray heron
From the given choices, pick the correct answer and respond by indicating the letter of the correct option.

B