Mating calls and rituals can be intercepted, or drowned out, by invasive species. Scientists are just starting to understand ...

Some animals form lifelong pair bonds that run deeper than simple mating. These connections shape how they live, move, and interact with the world. When a partner is lost, the change is often visible.

For some animals, reproduction comes at the ultimate cost—their own lives. While this may seem extreme, it's a natural strategy to maximize reproductive success. These species invest everything into ...

For a small number of animals, reproduction marks a biological endpoint rather than a stage in an ongoing life cycle. Death follows mating with such consistency that it can be predicted within a ...

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