House martins (depicted on the right) feeding their young in the nest are clear

Question

House martins (depicted on the right) feeding their young in the nest are clear examples of central-place foragers. Imagine that a house martin travels to two different patches to collect meals for its chicks. The patches are identical except that one is farther from the nest. According to the marginal value theorem, which statement best describes how an optimally foraging house martin should behave?

a.) It should stay longer in and collect a larger load from the closer patch.

b.)It should stay longer in and collect a smaller load from the closer patch.

c.) It should stay longer in and collect a larger load from the more distant patch.

d.) It should stay longer in and collect a smaller load from the more distant patch.

Explanation / Answer

The answer is c) it should stay longer in and collect a larger load from the more distant patch.

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