Image via Live Science video The walnut sphinx caterpillar has a trick up its sleeve — er, side — to keep birds from chomping on it. The clever bug can make an odd whistling sound, which startles birds enough that they usually just leave it alone. Researchers didn’t know how it managed to make this sound, so they set up cameras and began experimenting. The results are rather strange. … Read the full story on TreeHugger
Read more:
Researchers Discover Caterpillar Whistles to Ward Off Birds
