Just thought I share these useless facts I found, hehe
The female knot-tying weaverbird will refuse to mate with a male who has built a shoddy nest. If spurned, the male must take the nest apart and completely rebuild it in order to win the affections of the female.
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The male Darwin frog, found in Chile, swallows his mates eggs and keeps them in a sac under his chin. When the tadpoles are big