Food Calls
Hungry bats: Listen up
February 11, 2025
Spix’s disc-winged bats shrieked when they were first shown mealworms, a new food for them. Were they alarmed, or were they communicating their excitement to their fellow bats?
Spix’s disc-winged bats shrieked when they were first shown mealworms, a new food for them. Were they alarmed, or were they communicating their excitement to their fellow bats?
A baby hummingbird hatches. But it has fluffy feathers on its back, looking just like a dangerous caterpillar. Could this be something unusual among hummingbirds?
Data collected on juvenile and adult fringe-lipped bats reveal the first clues into the development of eavesdropping behavior in predators
Did you know that there are more than 20,500 species of bees, each with its own natural history?
Butterflies of Pipeline Road is a concise and colorful field guide that brings together 120 of the most commonly observed butterflies from one of the most biodiverse trails in Panama: Pipeline Road.
Observations of Coiba’s tool-using immature capuchin monkeys show them carrying abducted infant howler monkeys. What is the reason for this behavior?
Have you ever wondered how city life affects animals like frogs? A new study reveals that urban Túngara frog tadpoles develop faster —but end up being smaller — than tadpoles from forests, probably resulting in smaller adults. This might be an adaptation to warmer urban puddles with fewer predators or to constantly changing environmental conditions in the city.
The most intensively studied
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I have studied insect life histories for the last 40 years. My main focus has been the transformations of moths and butterflies, especially caterpillar development, behavior and defenses, and the clues that they and their host plants can contribute to our understanding of species relationships....
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