animal hearing
Male mosquitoes need one gene to hear the females’ 450 Hz hum
Without a gene called fruitless, male yellow fever mosquitoes’ ears sent signals one-sixth as strong and the males stopped flying toward female wingbeat tones.
Mother bats’ hearts race at the calls of their own pups
In four Japanese house bats, heart rate rose by about 51 beats a minute to their own month-old pups’ echolocation calls and barely moved…