For the first time, biologists have reported that bioelectrical signals are necessary for normal head and facial formation in an organism and have captured that process in a time-lapse video that ...

Natural selection has played a role in the development of the many skins patterns of the tiny Ranitomeya imitator poison dart frog. Natural selection has played a role in the development of the many ...

The colorful markings of poison dart frogs vary depending on where the frogs live. Now, a new study using thousands of fake-frog decoys finds that these markings evolved hyper-locally, explaining why ...

Thalassa Matthews receives funding from The National Research Foundation and the Centre of Excellence for Palaeontology. Around 5.1 million years ago, fascinating and now extinct animals like ...

Animal activity patterns can be influenced by selection pressures from local environmental conditions that might fluctuate at different temporal scales. Although studies with frog species and local ...

This is a preview. Log in through your library . Abstract Activity of Dendrobates auratus and D. pumilio in northeastern Costa Rica was monitored at 45 min intervals throughout daylight hours on nine ...