From a helicopter, they look like birds flying over the water, but upon closer inspection, The National Geographic crew realized they were filming the largest school of mobular rays ever caught on camera. They were spotted off the coast of Baja California in the Sea of Cortez, and will appear on their show Untamed Americas. Continue reading for the unbelievable video.

Mobula is a genus of ray in the family Myliobatidae that look similar to that of manta rays, which are in the same family. Species of this genera are often collectively referred to as “flying mobula” or simply “flying rays”, due to their propensity for breaching, sometimes in a spectacular manner. The devil fish can attain a disc width of up to 5.2 m (17 ft) and can probably weigh over a ton, second only to the Manta species in size. Despite their size, little is known about this genus, much of it being from anecdotal accounts.