This video is called Agalychnis callidryas (red eyed tree frog).
From National Geographic:
In behavior never before recorded by scientists, male red-eyed tree frogs are shown [in this video] shaking their rumps and entire bodies to show dominance. The shaking often precedes wrestling between the two males.
A new species of Scinax Wagler (Anura: Hylidae) from Cerrado of Brazil: here.
Redescription of tadpole of the hylodid frog Hylodes asper (Müller, 1924): here.
A new Litoria (Anura: Hylidae) with a highly distinctive tadpole from W Australia: here.