Crabs move back and forth on floating platforms called islands. When they get to the edge of the island, they will pinch their claws and move backwards. They are in levels 12 and 24 of Skywire 2.
Orcas will jump out of the water and try to eat your skywire car. They will eat all three of your people at once. They are in levels 16, 17 and 24 of Skywire 2.
The pink elephant is slow, but it will follow your car around. It is only in level 13 of Skywire 2.
Turtles will move back and forth between platforms. They first appear in level 6 on Skywire. Sometimes the turtles will stop and pant.
The rabbit will hop back and forth on a platform/island. You can get past it by waiting until it is as close as possible to you without you losing a life and then moving in front of it.
The giraffes will go in and out of their box. You can get past them when they go into the box.