The savage survival strategy of baby cuckoos

Описание: Think you know bird drama? Meet the cuckoo chick—nature’s sneak-at-heart. From the moment it hatches, it’s programmed to push out any other eggs or chicks using its back, rolling them right off the nest. No competition for food, just full parental attention—like having the whole table to yourself.

This isn’t bullying—it’s pure evolutionary strategy. Hosts like warblers end up feeding this oversized impostor, even though it’s not theirs, because the cuckoo chick begs non-stop and grows fast. By 14 days old, it's already about three times the size of its foster parents!

Scientists have studied this hard. It turns out eviction behaviors give major advantages—without rivals, the cuckoo chick gets more food and grows bigger. And research even shows that hosts have evolved defenses, but chicks mimic begging calls so well that hosts still fall for the trap.

Crazy but clever, isn’t it? It’s one of nature’s most fascinating, if ruthless, survival strategies—and a reminder that instinct can be more powerful than nurture.

📌Source:
https://www.snexplores.org/article/bird-fi...


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