Sentences with phrase «to avoid predators»

In this world, you are the prey and you'll have to avoid predators while trying to survive on your own.
But cohesion and coordination in fish schools are essential in helping some animals avoid predators and exchange information socially.
One theory is that the fish were trying to avoid predators in shallow waters, fleeing for their lives in a low - speed chase that played out over generations.
One reason may be because cats show few obvious signs of sickness — a defense mechanism that goes back to their days in the wild avoiding predators.
One of the ways that primates avoid predators is with the use of alarm calls.
Parents take turns incubating a single white egg, with the at - sea parent returning after dusk to swap shifts in order to avoid predators such as the western gull or peregrine falcon.
The animals avoid predators by hardly ever coming down from the trees, so even a narrow logging road through a forest can begin the breakup by preventing them from moving from one patch of forest to another.
Dr Bill Dew said: «This means that fish in an environment contaminated with copper would not be able to detect compounds released during a predation event and potentially not avoid predators, while fish in a nickel contaminated environment would be able to detect these compounds and undertake predator - avoidance behaviours.»
Good enough for migratory birds to avoid predators when napping in the daytime.
A snail known as Chilean abalone, which adheres to rocks along wave - swept shores, quickly rights and reattaches itself when it is dislodged, an important skill for avoiding predators.
What you are suggesting, then, is that birds» sexual displays are not about solving an explicit environmental challenge to aid survival, like avoiding a predator or cracking open a seed.
Others have suggested these cycles may help periodical cicadas avoid predators or parasites that have shorter, even - numbered life cycles, but no strong evidence exists in support of these ideas either.
Fish larvae raised on the most acidic batch of seawater instinctively avoided predators at first, but soon were actually attracted to the predator's scent — probably due to some impairment of the olfactory system.
Besides helping the creature avoid predators, the low - frequency bellows (which could possibly have been heard 10 kilometers away) may have enabled herds to communicate surreptitiously with each other, or for males to attract females.
Though samango monkeys spend most of their time in trees avoiding predators on the ground and in the canopies above, researchers noticed that when observed by humans, the monkeys preferred to climb down to eat food from the jungle floor.
Unable to fly, nestling birds depend on their parents for both food and protection: vocal communication between parents and offspring helps young birds to determine when they should beg for food and when they should crouch in the nest to avoid a predator seeking an easy meal.
The results confirm the old adage that there is safety in numbers and that salmon use this strategy, known as predator swamping, to avoid predators early in life.
Moore and Jones say this predawn engineering feat could help the spiders avoid predators, providing perhaps an evolutionary explanation for the trashliners» faster internal clocks.
The predator deterrence hypothesis suggests that cantharidin would make great bustards appear toxic to their predators, thus helping them to avoid predator attacks, as suggested for the spur - winged goose Plectropterus gambensis, an African bird that also eats blister beetles [19].
The undersides of their wings are dusky brown so these butterflies avoid predators by folding their wings and using the duller color as camouflage.
In the wild, weak or sick animals must hide their limitations in order to avoid predators who prey on the frailer animals.
Our challenge for the hatchlings is their journey from sandy beach to the sea while avoiding predators including birds, iguanas and sorry to say local poachers.
Presumably, insects that can't discern the ultrasonic calls of foraging bats — and therefore can't avoid the predators — won't be directly affected by a shift to LEDs.
Our hominin ancestors lived in environments that were anything but flat, working to find food and avoid predators while saving energy.
This feature helps with movement, and so helps animals hunt for food and avoid predators.
Although the Jurassic beasts could have been foraging for shallow - water vegetation, they may have been avoiding predators or maybe even cooling their bodies with a dip in the surf.
To avoid predators, some fish sport pale bellies and dark backs to blend in with the sky and the deep.
Since the spiders become more active at dusk and begin spinning their webs three to five hours before dawn, they can avoid predators that hunt in the day.
TIME WARP This spiny orb weaver and two of its relatives may have evolved an impossibly short circadian clock by spinning their webs before dawn to avoid predators.
«But it can also alter how species interact, such as by impairing the ability of prey to avoid predators,» she said.
The lizards need to move quickly to hunt for food and to avoid predators, and previous research has shown that their sprint speed is strongly correlated with survival and reproductive success.
Campbell's group tagged the crocs — which dive periodically to catch food, rest and avoid predators — with two recorders that clocked time underwater, the depth reached and the water temperature.
In order to avoid predators, scarlet kingsnakes in North Carolina have evolved to more closely resemble a poisonous lookalike no longer found in the area
Sperling says that the need to avoid predators (and pursue prey) may have driven animals into the water column above the seabed, where enhanced oxygen levels enabled them to expend energy through swimming.
In the wild, it serves as a protective mechanism, allowing animals to avoid predators or other perceived threats.
In the wild, successful animals learn about their environment and apply this knowledge to key behaviors such as finding food and avoiding predators.
The two species probably also benefit from working together to detect and avoid predators.
Knowing how the arctic ground squirrels allot their time and energy helps us see how they avoid predators and search for food.
And as evolution has shaped our adaptive toolbox, it is not surprising that it is chock - full of tools to solve problems such as finding food, avoiding predators, finding a mate and caring for offspring.
Many animals rely on movement to find prey and avoid predators.
When some doves jet away to avoid a predator, for instance, their bodies start to whistle, says Kimberly Bostwick, an ornithologist at Cornell University, who was not involved in this study.
It seemed that the imported males could learn how to find food and shelter from their native partners, but not how to avoid predators.
As for why friendship might have evolved in the first place, Silk and other researchers have suggested that it might have helped animals band together to avoid predators.
Damselfish had trouble learning to avoid predators, when that lesson was accompanied by a soundtrack of buzzing boat engines.
Reintroduction of mammals to the mainland may also be difficult, because they will not have developed the skills to avoid predators, Letnic says.
The larvae are introduced at the surface of the gel, and when it's not too hard, they dig, an instinctual behavior that helps them avoid predator wasps and sunlight, which can dehydrate them.
If their movement is negatively affected, this could hurt their ability to avoid predators and also their ability to capture prey, she said.
This includes learning how to forage, avoid predators, and socialize with others.
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