Research on superb starlings reveals their cooperative breeding behaviors resemble human friendships more than previously known. About 10% of bird species engage in cooperation, with starlings demonstrating a reciprocal helping system. In harsh environments, these birds rely on each other; helpers feed and guard the young, with the expectation of similar assistance later. The study indicates that forming these pairwise relationships, particularly in larger groups, enhances group stability and reproductive success, echoing the importance of collaboration for survival in challenging conditions.
The support cuts both ways, with birds that received help in feeding or guarding their chicks returning the favour when the helper bird has offspring of its own.
They're forming these pairwise reciprocal relationships, in the sense that I might help you this year, and then you'll help me in the future.
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