Rare cryptic prey have a selective advantage. In a captive study in great tits, A$)$ when inedible twigs are $4$X more common than cryptic prey that

resemble twigs, great tits mainly consume conspicuous prey even though they have lower profitability than cryptic prey. However, B$)$ when cryptic

prey are $4$X more common than twigs, great tits shift to mainly consuming cryptic prey. These results are illustrated below.

If you wanted to create a situation where great tits completely ignore the conspicuous prey$-$ what might you do$?$

Question $13$Answer

a$.$

Increase encounter rate with conspicuous prey

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b$.$

Reduce encounter rate with conspicuous prey

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c$.$

Decrease encounter rate with cryptic prey

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d$.$

Increase encounter rate with cryptic prey