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Field work by researcher Fred Kraus from Bishop Museum, Honolulu has found the world’s smallest frogs in southeastern New Guinea. This also makes them the world’s smallest tetrapods (non-fish vertebrates). The frogs belong to the genus Paedophryne, all of whose species are extremely small, with adults of the two new species – named Paedophryne dekot and Paedophryne verrucosa – only 8-9 mm in length.

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If you could sit back and watch clouds and the sky move all night and day, what might you see? One answer from the island of Tenerife, captured over the course of the year, includes sequences that are not only breathtaking but instructive. Visible in the above time-lapse movie include clouds that seem to flow like water, a setting sun that shows numerous green flashes, the Milky Way Galaxy rising behind towering plants, a colorful double fogbow, lenticular clouds that appear stationary near their mountain peaks, and colorful moon coronas. The above video was shot solely from the Teide National Park on Tenerife in the Canary Islands of Spain, off the north west coast of Africa. The video also features an unusual type of plant in several scenes — can you identify it?

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Tadpoles normally have mouthparts similar to a beak. Instead, vampire tree frog tadpoles have a pair of hard black hooks sticking out from the undersides of their mouths—the first time such fangs have been seen in a frog tadpole.

The scientists do not yet know what purpose the fangs serve. However, frogs that raise tadpoles in tree-trunk water holes often feed their young by laying unfertilized eggs as meals. The fangs, Rowley speculated, could help in slicing these open.

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