Animals

How women adopt baby talk when speaking to their dog by varying the tone, pitch

'Pet-Directed Speech' Used By Women To Talk With Their Dog

Like mothers, the study proved that it is best when women speak baby talk to their dog, just like how mother communicate with their newborn. Also, the use of verbal and non-verbal tricks and the intended function of vocal utterances provide dogs with information about their intentions and emotions.
Researchers have found that Mexican free-tailed bats can jam the echolocation signals of other bats to compete for food.

Just Because Bats Are Blind Doesn’t Mean They Can’t Compete

As species that primarily navigate with their ears and not their eyes, bats are fairly amazing creatures. Their abilities to track predators, prey and hear sounds far beyond what humans can hear, makes these echolocators quite impressive specimens. But new research reveals that their sonar signals may have an additional function as well -- to jam up competitors, and steal their prey.

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