Sentences with phrase «on animal migration»

Many migration studies are done in short - lived species like songbirds, or by comparing a young bird to an older bird, said UMD biologist Thomas Mueller, an expert on animal migration and the study's lead scientist.

Not exact matches

Although much research has focused on understanding how animals guide their migrations across large regions of the planet, we know very little about this phenomenon, particularly for large, difficult - to - track species.

The wildebeest migration is the largest terrestrial migration on the planet, and others of its kind have largely disappeared as humans have killed off animals or cut off their migration routes.

Many of the major migrations on Earth, especially on land, have already been lost, he explains, and few landscapes are left on Earth where the migratory animals do not have to share land resources with agriculture and other human activities.

At night, while their free - living counterparts were flying, the captive animals were fully awake and performed normally on learning tests, which suggests that the birds don't sleepwalk during their migrations.

Studies on animals with mating or migration patterns that revolve around lunar cycles could also illuminate the underlying biological drivers as well as the evolutionary benefit of having a moon - synced clock.

It has long been debated whether that change in subsistence strategy involved the mass migration of people from the Near East bringing innovative technologies and domestic animals to Europe or whether it was due to a transmission of cultural practices passed on from neighbouring populations.

Until now, most studies of animal migration have focused on large, easy - to - study birds and mammals.

From their privileged vantage point, satellites are particularly well - suited to observe habitat transformation and help scientists forecast impacts on the distribution, abundance and migration of animals.

Modern Siberian herders manage reindeer migration by chopping down trees and laying them on the ground, he noted; the animals instinctively follow these «drive lanes.»

«Animals can adapt to climate change, mainly by relying on migration, depopulation — which consists of starvation and cannibalism — and dietary change,» he explains.

When the migrations dwindled, the organisms that relied on the carcasses of animals that came to grief may have declined or vanished, he says.

Analysis of the images provided data on sex - ratio bias, site fidelity and aggregation, hotspot sites, size and migration patterns of the animal — details that improve scientists» understanding of the species and help conservation efforts to protect them and their environment.

Light pollution is a growing problem that has adverse biological effects on plants and animals, particularly birds whose breeding and migration patterns are disrupted

This unit on Migration explains what migration is, why animals migrate, how they migrate, and where they migrate.

Friend talked about what animals they saw in what ecosystem and why those animals might be there, tying that discussion to learning objectives about ecology, migration patterns, and so on.

The world's largest mass land migration with around two million animals on the move is an awe - inspiring sight, a quite breathtaking spectacle, as wildebeest, zebras, gazelle and eland make their journey from the Serengeti to the Masai Mara.

Mostly, the animal feeds in the northern waters during the summer; and opportunistically feeds during its migration, depending primarily on its extensive fat reserves.

Our 3 to 3 1/2 hour Blue Whale Watching Cruises are available typically starting mid May and run through October to observe the annual migration of the largest animal on the planet, The Blue Whales!

Our Whale Watching Cruises are available year round with the Blue Whales typically starting mid May and run through October to observe the annual migration of the largest animal on the planet, The Blue Whales!

In recent years I have focused on changes in animal husbandry, dwindling wilderness habitats, and new patterns of animal behavior and migration.

The Inupiaq people have lived here for some 4,000 years, subsisting on the bounty of nearby seas, rivers, and fields, but now animal and bird migration patterns are changing.

The warmth did have an influence on such things as animal migrations but talk of continuing warming from Hansen & Co. is just rubbish.

The impacts associated with these changes are both positive and negative, and are most pronounced in relation to the migration patterns, health and range of animals and plants that indigenous groups depend on for their livelihood and cultural identity.

changing migration patterns of birds and other animals that affect by direct means (foraging, excrement) and indirect means (control of pests, affects on populations of beneficial insects such as bee populations and so on) 5.

Those papers take nothing into account regarding disease, pestilence, late frosts, variability in pollination, changing migration patterns of birds and other animals that can have both positive (fertilizer, elimination of pests) and negative (foraging) effects on the growth of the trees.

DeFries went on to say that in tropical nations as rural to urban migration increases resource use from the countryside increases — with more processed foods and animal products being consumed due to increases in income.

While there may be some entry - level positions that want to know more about potential job candidates, your cover letter isn't the place to give a dissertation on that advanced algebra course or your degree in ancient European animal migration.

While a visitor to our shores might look out on the ocean and see one contiguous mass of water, our whale watching captains are looking at the contours of the ocean floor and the currents that orchestrate the feeding and migration of these animals to our waters.