The lifecycle of a frog - an incredible metamorphosis animation. | Dailymotion

45K views · 832 reactions | A frog undergoes metamorphosis in a time-lapse video provided by Dr. Alexander Schreiber of St. Lawrence University, Canton NY. | Inverse | Facebook

When it comes to choosing a mate, the frog world is all about that voice! Female frogs are highly selective, and they primarily choose their partners based on the quality and power of the male's mating call. The male will inflate his large vocal sac to amplify his calls, and the females are listening for a few key traits. They are often drawn to calls that are louder, have a lower frequency (deeper pitch), and are produced at a faster rate. These characteristics signal to the female that the mal