A newly discovered sea anemone secretes a substance that becomes a hardened home for hermit crabs. The animals have a mutually beneficial relationship.
The kiwi is probably the bird that least resembles a bird: it has tiny wings, doesn’t fly and looks like it has hair instead of feathers. Read more about it.
Cristina Ortiz - based in Granada, Spain - is EarthSky's defender of animals with her "lifeform" videos at EarthSky YouTube. Discover the most fascinating facts about all the beings with whom we share Earth. Are you ready for the adventure? Cristina has been an EarthSky.org editor since 2021. She has a master’s degree in translation and interpreting, specializing in science and technology. "Since I was a kid," she says, "I could feel that passion for science and communication."