[00:00.65]Of course, hungry predators sometimes ignore the warning.
[00:04.35]They still go after the grasshopper.
[00:06.69]If that happens, the grasshopper has a backup defense.
[00:10.65]It makes lots of foam.
[00:12.89]The foam tastes so bad that the predator won't do it again.
[00:17.91]Color doesn't offer enough protection for some other animals.
[00:22.06]They have different defenses that help them survive in the wild.
[00:26.09]Many fish live in groups or schools.
[00:29.21]That's because there is safety in numbers.
[00:32.35]At the first sign of trouble, schooling fish swim as close together as they can get.
[00:38.43]Then the school of fish makes lots of twists and turns.
[00:42.82]All that movement makes it hard for predators to see individuals in a large group.
[00:48.45]