Search Results for: Invertebrate
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693 results
- Paleontology
‘Penis worms’ may have been the original hermits
Soft-bodied critters called penis worms inhabited abandoned shells — a la modern-day hermit crabs — by about 500 million years ago, a study suggests.
- Animals
Assassin bugs tap spiders to distract them before a lethal strike
Some assassin bugs stroke their antennae on spiders when within striking distance, possibly imitating touches that spiders experience near their kin.
- Animals
Some young sea spiders can regrow their rear ends
Juvenile sea spiders can regenerate nearly all of their bottom halves — including muscles and the anus — or make do without them.
- Paleontology
This is the oldest fossil evidence of spider moms taking care of their young
A spider trapped in amber 99 million years ago guarded her eggs and may have helped raise her young.
- Anthropology
How catching birds bare-handed may hint at Neandertals’ hunting tactics
By pretending to be Neandertals, researchers show that the ancient hominids likely had the skills to easily hunt crowlike birds called choughs.
- Animals
Urchin mobs team up to butcher sea stars that prey on them
Urchins are important herbivores in nearshore ecosystems, but are not strict vegetarians, with hunger that extends even to munching predatory nemeses.
- Life
Giant worms may have burrowed into the ancient seafloor to ambush prey
20-million-year-old tunnels unearthed in Taiwan may have been home to creatures that ambushed prey similar to today’s monstrous bobbit worms.
- Animals
Baleen whales eat (and poop) a lot more than we realized
The sheer volume of food that some whales eat and then excrete suggests the animals shape ecosystems to a much larger degree than previously thought.
- Animals
A year after Australia’s wildfires, extinction threatens hundreds of species
As experts piece together a fuller picture of the scale of damage to wildlife, more than 500 species may need to be listed as endangered.
- Animals
A new chameleon species may be the world’s tiniest reptile
The newly described critters, found in the northern forests of Madagascar, may be threatened by deforestation.
- Animals
How do we know what emotions animals feel?
Animal welfare researchers are studying the feelings and subjective experiences of horses, octopuses and more.
- Animals
Mantis shrimp start practicing their punches at just 9 days old
The fastest punches in the animal kingdom probably belong to mantis shrimp, who begin unleashing these attacks just over a week after hatching.
