AFRICA: A group of least five golden winged warblers have sense to observe the climate change. These birds leave their nest before storm.
The weather was calm when the birds rushed southward toward the Gulf Coast, hundreds of miles away.
Writing in the journal Current Biology, researchers from several institutions say they made the discovery because a group of warblers had been tagged with “geolocators” long before the outbreak.
They also say the species is probably not the only one with the ability to sense approaching weather hazards and take evasive action.
It’s believed the birds were able to sense infrasound from the deep rumble that tornadoes were generating hundreds of miles away.
Such sounds are well below human hearing and were probably being produced by twisters tearing across states to the west a day or two before the avian evacuation.
The tags indicated that the warblers returned to their Cumberland Mountains breeding area soon after the tornadoes passed.
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