The bird dropping spider (Celaenia olivacea) is a named for its resemblance to bird droppings and is thought to have evolved as a camouflage against predators. The objects on the left are silk egg sacs, which the spider guards until they hatch. Photo by naturewatchwidow, via iNaturalist, CC BY 4.0Read more

The bird dropping spider (Celaenia olivacea) https://www.inaturalist.org/observations/113702230 is a named for its resemblance to bird droppings and is thought to have evolved as a camouflage against predators. The objects on the left are silk egg sacs, which the spider guards until they hatch.  Photo by naturewatchwidow, CC BY.