Figure 1: Feeding strategies. | Nature

Figure 1: Feeding strategies.

From: Some begging is actually bragging

Figure 1

Steve Shinn

American coot (Fulica americana) parents switch their strategy for feeding their highly mobile and exceptionally colourful chicks midway through the cycle. Initially, parents give food to the nearest chick, which automatically confers a competitive advantage on the larger (earlier-hatched) siblings. But after starvation claims one or two runts, the parents reverse that favouritism — preferentially feeding the weakest survivors and sometimes even attacking the strongest ones7.

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