because they hunt in packs and have special parts in their mouth that allow them to call others.
Birds
human
lion
Big bikes are considered as deadliest motorbike because of its structure.
Velociraptor
the grizzly bear
mankind
The world's most deadliest animal is the mosquitoe, because of all the diseases it carries.
The Box Jellyfish
is the elephant when it is angry
wolverines
humans are number 1 on the deadliest animal