•Giraffes are thought to be silent animals but they actually communicate with low grunt, moans and rumbles that are usually to low pitched for human ears to hear because they communicate using infrasound. Mother Giraffes sometimes use whistles to warn their calf's.
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Using their ears, like you do.
yes
yes it could
Why exactly would they need to? They can still hear behind and in front...
because your pet giraffes neck is growing.
Stops their arses dragging on the floor, also rather good for movement. Or so I hear...
No. At one point, it was thought that giraffes were deaf and mute. But giraffes snort when alarmed, mothers whistle to their young, and the young bleat. At this point, researchers tend to describe giraffe hearing as at least on par with human. But more research needs to be done. One area of investigation's infrasound, or hearing by processing sound waves and vibrations.
no, impala's dont eat giraffes! Impalas and Giraffes are both herbivores! They actually can sometimes work together in order to protect each other from predators. Giraffes use their long necks to see the predator whereas the impala have very good hearing and sense of smell in order to hear or smell the predator. They use these beneficial traits to warn and protect each other.
Giraffes hear the same thing anything else can hear. If a lion were to growl as it pounced on said giraffe(s), the giraffe(s) will hear it. Otherwise, they hear anything within their hearing range.
To humans, other giraffes, and other animals, they can be. This is why you hardly ever hear of a lion, cheetah, or leopard attacking a giraffe. They have a very fatal kick when frightened, and the only time when they are very vulnerable is during labor or when lying down.
Giraffes can hear below 20 Hz to about 10 Hz. To communicate they can hum below 20 Hz but they often hum at around 90 Hz which humans can still hear.
no never eat other Giraffes.
Yes, giraffes do have knees.