<p>Some caterpillar species can fend off predators with stinging hairs. These birds might, too.</p> <p>The post <a href="https://www.popsci.com/environment/baby-hummingbird-caterpillar-predator/">Baby hummingbird appears to mimic caterpillar to avoid death</a> appeared first on <a href="https://www.popsci.com">Popular Science</a>.</p>