They are also the rare animal species where males do the majority of infant care. Female cassowaries lay eggs and then leave the nest, so males incubate the eggs and then raise the young chicks.

These systems rely on human beings to do the initial work of identifying the meanings of different animal behaviors (usually based on long observation of animals in various situations).

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On the flipside with the kids episode, you’ve seen a natural birth, has that changed your mind in having kids now that you can reflect on your experience? Nah… I mean you know it was weird being in a ...