"Local villagers had long believed that a dragon living in a cave at the source of the river Bella caused periodic floods by opening sluice gates when its living quarters were threatened by rising water."
They are remarkable for having hook-like claws on the raptorial last segments of their legs
"A third trip was rewarded with the discovery of a transparent shrimp, visible only because of the shadow it cast on the floor of the shallow pool"
Guacharo means 'one who cries and laments'
They sound insane. It's because they navigate by echolocation.
Oilbird chicks are so oily that you can knock them out of their nest, cut them open and pretty much use them to fill a lantern.
The Indians of Northern South America thought that the caves the birds lived in were the eternal resting places of ancestral human spirits. "Going to the gaucharos" means "to die".
"The ammonia fumes are so strong that the fur of some bats is bleached a pale brown. There is a continuous rain of urine and feces and even dead and dying bats, most of them too young to fly. Still more disturbing are a fine steady rain of mites from the rooting bats and the swarms of blind flies that live as bat parasites. The surface of the guano stirs with life. wherever you look, insects are feeding on the carcasses of young bats. Thousands of bat skeletons, picked clean to the last shred of flesh, lie all about." - Charles Mohr and Thomas Paulson
And these happy glow worms?