Context: Parakeet auklets are small seabirds that live in the Pacific Ocean. They eat mostly crustaceans, which they catch while swimming and diving. The feet of the  are adapted for swimming.
Figure: parakeet auklet.
Which animal's feet are also adapted for swimming?
A. water rail
B. European beaver
From the given choices, choose the correct answer and respond with the letter of that choice.
Answer: B