Yes because predators get scared. Colourful feathers are kind of warning not to attack peacock.
It will not be able to fly with no feathers. Feathers keep a bird warm. If its feathers are gone it will die of cold. Most importantly feathers help a bird to escape from predators.
most of the time is if it thinks it's in danger. Or feels threaded
Only some species of octopus can shoot ink.
"slip"
they blend in
A hawk is a top predator, it does not need to escape predators.
Yes, beetles can jump to escape predators or reach food sources.
Yes, water bugs can jump to escape predators or catch their prey.
They get a pardon from the pope.
They swim away.
By flying away.
Guff