For birds, pairing up is a good strategy because their young require a ton of care, so males increase their chances of successful reproduction if they stick around and lend a beak.

对于鸟类来说，配对是一个很好的策略，因为它们的幼鸟需要大量的照顾，所以如果雄鸟坚持在这里，并伸出喙，就会增加它们成功繁殖的机会。