Animals
This frog is the world’s smallest known vertebrate
Neither fleas nor toads, Brazilian flea toads are almost flea-sized. These mini frogs are small enough to fit on a pinkie fingernail.
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Neither fleas nor toads, Brazilian flea toads are almost flea-sized. These mini frogs are small enough to fit on a pinkie fingernail.
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A vast swath of ocean surrounds Antarctica, hidden under the ice. Here, strange creatures burrow into the dark underbelly of a floating glacier.
One birdwatcher unpacks the personal and scientific rewards of birding, and how to get started.
Each tail flap uses less than half as much energy than swimming solo, making it easier for fish to catch their breath after an underwater sprint.
This environmental DNA can aid in conserving species that are hard or dangerous to observe.
Unified by a few key traits, these diverse organisms come in all shapes and sizes.
Understanding the genetic adaptations that protect the birds’ brains as they dive might one day offer clues to protecting human brains.
The reptiles’ horns could help or hinder during foraging, depending on how they hunt. This might be why horns evolved in some species and not others.
After 50 years, this landmark law has kept many species alive — but few wild populations have recovered enough to come off the “endangered” list.
Giant kelp are at risk due to climate change and human activities. In New Zealand, a community effort is rebuilding these underwater algal forests.