then maybe singing low and monotonously is not going to get you a mate. You want to be singing in a way that shows off your abilities to sing. And maybe that’s a good indication of your fitness ...

then maybe singing low and monotonously is not going to get you a mate. You want to be singing in a way that shows off your abilities to sing. And maybe that's a good indication of your fitness ...

then maybe singing low and monotonously is not going to get you a mate. You want to be singing in a way that shows off your abilities to sing. And maybe that’s a good indication of your fitness ...

then maybe singing low and monotonously is not going to get you a mate. You want to be singing in a way that shows off your abilities to sing. And maybe that’s a good indication of your fitness ...

New research suggests male baleen whales looking for love sing a different tune when attracting a mate, and it all depends on if they are more likely to fight or flee from a predator. Killer ...