An example of an altruistic act is the alarm call that is given when a predator is approaching.

The larger predators such as the iislak disliked the bustle of the village and seldom approached, save in lean times.

Nor do other predators usually approach it.

Being able to conceal bright colours from above is important as most predators approach from above.

This causes predators to approach from the true head end resulting in early visual detection.

Weak things such as humans fled aside when predators approached.

If a potential predator approaches the nest, the adult will walk away from the scrape, calling to attract the intruder and feigning a broken wing.

This call often is given when predators approach the nest, in order to give warning to the female and nestlings.

The way a forest went suddenly still whenever a predator approached.

But the predators did not let up and approached Kursk.