Question

Why is the first finger of the male frog swollen?

Answer 1

It is swollen to support the amplexus, or mating grip, A male can hold on more efficient.

Answer 2

Solution: The first or the male finger of the male frog is generally swollen to support the amplexus or the mating grip.

Usually, a male can hold on more efficient.

There are vast differences between the male and female frog. However, it is bit difficult to know whether it is male or female.