Many other frog species camouflage themselves in the wild, but the poison dart frog uses its brightly colored skin to warn predators that it is unfit to eat. The frog's skin secretes a dangerous ...

A yellow poison dart frog (Dendrobatidae) hiding in the aquarium substrate. Image via Betty Wills (Atsme), CC BY-SA 4.0 https://creativecommons.org/licenses/by-sa/4.0 ...

Welcome to the Top 10 Animals and Wildlife in the Rainforest. Brazilian Rainforest. Image via Depositphotos There are various animals found in many regions on the planet. Some live in water; some live ...

1 School of Water Conservancy, North China University of Water Resources and Electric Power, Zhengzhou, China 2 College of Agricultural Equipment Engineering, Henan University of Science and ...