02/20/2026
Short Reports
Spotting the odd egg out
In brood parasitism, prior work predicts a trade-off in the host's error rates from accepting foreign eggs and rejecting their own eggs. Tanmay Dixit, Claire Spottiswoode and co-workers combine comparative field experiments and simulations to reveal advantages when egg trait distributions are categorical, rather than continuous, with implications for other types of co-evolutionary arms races.
Image credit: Tanmay Dixit
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