The term mid-size terror bird sounds kind of bizarre at first, as though terror birds, whatever they might be, come in a range of sizes, all of them a bit scary ...

Ever wonder why cats love to chatter at birds, especially when they spot them from behind a window in your home? There are several reasons for this instinctive cat behavior, with the urge to kill ...

The first was a "robo-moth" that lured in bats with its insect-like wing beats. The second was a speaker playing a "mix tape" of cricket and katydid calls and insect walking sounds. After almost 150 ...