Sentences with phrase «predator avoidance»

«Wyoming moose that have lost even one of their offspring to predators may become as savvy as their Alaskan cousins within a single generation,» Berger observes, «which indicates that mechanisms for predator avoidance are already in place and that fears of imminent extinction may be unwarranted.»

«What this tells us about their lives and complex strategies for survival, such as the highly variable techniques for prey exploitation, as well as predator avoidance and protection of carcasses for food, significantly diverges from what we might expect from this extinct species,» continues Nowell.

The fat, juicy larvae of butterflies and moths tend to be experts at predator avoidance, using camouflage, rolling themselves in leaves, and even flicking their own poop to discourage birds, frogs, and small mammals from eating them.

Tortoises released in habitat that included appropriate vegetation, rocks and the presence of animal burrows had lower mortality rates than those released in areas where land features offered fewer options for predator avoidance.

«These levels are known to impact both the human experience in national parks and have a range of repercussions for wildlife... so animals use sounds for many essential life functions, such as predator avoidance, navigation, finding food, mate attraction and maintenance of social groups.

Guppies exposed to predators tend to aggregate into smaller, more tightly knit groups, which may allow them to coordinate their predator avoidance strategies.

Heathcote thinks that the tighter - knit friendships that come from small groups allow guppies to more effectively cooperate in their predator avoidance activities.

Rather, the opsin - containing cells detect high - contrast light changes, evidently to coordinate shade - seeking, predator avoidance, and color - changing reflexes.

But in densely vegetated or very rocky habitats, predator avoidance is more about manoeuvrability than moving at high speed.

«We found no evidence that climbing allows these salamanders to more fully exploit available food resources, which instead suggests that other mechanisms, such as competition or predator avoidance, might be important influences on salamander populations,» said Connette.

«In open country fast hopping is required for predator avoidance,» he says — so macropods living there developed very long back legs to increase their hopping speeds.

So if camouflage confers such an obvious survival benefit to prey species like guppies when it comes to predator avoidance, what possible advantage could there be to sporting colors and patterns that make an individual more conspicuous?

For many aquatic organisms, olfactory - mediated behaviour is essential to the maintenance of numerous fitness - enhancing activities, including foraging, reproduction and predator avoidance.