Sentences with phrase «studying bird habitat»

Not exact matches

A three - year study in Denmark concentrated on the non-crop habitats, such as hedgerows, of conventional and organic farms and their effects on bird populations.

To do the kind of work I do [meticulously accurate studies that portray the birds of the Central Midwest and their behavior], the important thing, much more important than clicking the shutter, is being familiar with the habitat of the species, even the idiosyncrasies of individual birds.

He has been a practicing ornithologist and conservation biologist for 30 years, specializing in integrating behavioral studies of rare and endangered bird species with habitat conservation planning.

According to the study, the ecological context of the birds» habitat in Barcelona — a highly urbanised and industrialised area — can increase exposure to lead.

«We see that mammals and birds are better able to stretch out and extend their habitats, meaning they adapt and shift much easier,» lead study author Jonathan Rolland, a postdoctoral research fellow at Canada's University of British Columbia, said in a statement.

«We know from studying these birds today that their habitats are pine grasslands that are found in cooler, dryer regions.

Trivelpiece, who began studying the birds in 1976, said the relationship between the penguins and their habitat appeared simple at first.

Even without avian diseases and climate change, the honeycreepers still face threats from habitat loss, introduced predators and competition with non-native birds (some of whom, such as the Japanese bush - warbler, are thriving on the plateau, the study finds).

Of the seven birds studied, the gray vireo is expected to flourish, its habitat increasing anywhere from 58 to 71 percent by the end of the century.

«I think the reduction of habitat definitely decreased their population size,» Hung says, noting something similar may explain the extinction of other outbreak species in North America, like the Rocky Mountain grasshopper in the western U.S. «Our study suggests that the combination of natural population size changes and human disturbances drove the rapid extinction of this bird.»

«As long as the older trees are not so stressed that they do not produce many viable seeds, [and] the dispersal mechanism — for example, wind, birds, mammals — is present, and the habitat where the seed lands has the appropriate soil, nutrients and temperature,» says biologist Terry Root of Stanford University, who was not involved in the study, «then the trees will be able to shift.»

Citizen scientists with birding experience can help New Jersey study its migrant shorebird habitats

A major study of all penguin species suggests the birds are at continuing risk from habitat degradation.

The work relies on and complements the work of Benkman, who has spent his career, the past 30 to 40 years, studying these birds and their habitats.

A team led by University of California, Santa Barbara plant ecologist Shelley Crausbay is studying high - elevation cloud forests that provide habitat for a number of rare birds, most of which are endangered.

In a study of 44 European bird species, all but four allowed humans to approach them more closely in cities than in rural habitats.

To better understand the interacting effects of habitat degradation and climate on bird populations, researchers from the U.S. Forest Service Pacific Southwest Research Station (PSW), Klamath Bird Observatory, and Costa Rica Bird Observatories spent 12 years studying the White - collared Manakin, a fruit - eating tropical bird, in mature and young forests along the Caribbean coast of Costa Rbird populations, researchers from the U.S. Forest Service Pacific Southwest Research Station (PSW), Klamath Bird Observatory, and Costa Rica Bird Observatories spent 12 years studying the White - collared Manakin, a fruit - eating tropical bird, in mature and young forests along the Caribbean coast of Costa RBird Observatory, and Costa Rica Bird Observatories spent 12 years studying the White - collared Manakin, a fruit - eating tropical bird, in mature and young forests along the Caribbean coast of Costa RBird Observatories spent 12 years studying the White - collared Manakin, a fruit - eating tropical bird, in mature and young forests along the Caribbean coast of Costa Rbird, in mature and young forests along the Caribbean coast of Costa Rica.

A new study by the Wildlife Conservation Society, Idaho State University and the U.S. Geological Survey suggests that habitat fragmentation and the addition of makeshift perches such as transmission polls in sagebrush ecosystems are creating preferred habitat for common ravens that threaten sensitive native bird species, including greater sage grouse.

Study author Jolyon Troscianko of the University of Exeter in England described the tropical birds as «notoriously difficult to observe» because of the terrain of their habitat and their sensitivity to disturbance, he said in a press release.

Such aggregate figures can typically be traced to small — often flawed — studies, the results of which are subsequently extrapolated from one habitat to another, conflating island populations with those on continents, combining common and rare bird species, and so forth.

This is, indeed, excellent for birds; published studies have shown that bird abundance, and better yet bird species diversity, are higher in habitat patches where coyotes are present, than in patches which lack coyotes and have more cats.

So, what Baker et al. are suggesting is that predation by cats may be extensive enough to deplete populations of certain bird species at their study site, such that at least some of the birds observed there were immigrants from nearby habitat.

Studies agree that human activities — climate change, habitat destruction and pollution — are the real culprits when some bird populations decline.

People who identify birds while they travel are often surprised that the habit causes them to soak in much bigger themes about the world: watching birds inadvertently educates the birding traveler on subjects like geography, habitat and ecology, and in a way that is much more profound than studying the same subjects in textbooks.

Studies show there are 25 times more fish in areas close to mangroves, which also provide important habitats for birds and mammals.

The 19th century American ornithologist, naturalist, and painter, Audubon was notable for his extensive studies documenting all types of American birds and for his detailed illustrations and prints that depicted the birds in their natural habitats.

Artists will speak to their specific environmental concerns and the way that they study birds and habitat to create their work.

They say field surveying is necessary for fully studying and understanding the birds and their habitats.

To address wildlife concerns, ACCIONA conducted environmental impact studies on birds, bats, and wetland habitat, which were shared during an extensive county permitting and review process during the project development phase.

At the heart of both studies is a deeper concern about the response of the natural world to human - induced change, in the destruction of habitat, the loss of the plants, birds, insects, mammals, amphibians and reptiles that depend on habitat, and in the steady increase in atmospheric levels of greenhouse gases, as a consequence of profligate combustion of fossil fuels.

Models used in that study show that more than half those birds could lose up to 50 percent of their habitat as a result of climate change by 2080.

Audubon's new study reveals the devastation global warming will likely bring down on birds — and identifies the habitat strongholds they'll need to hang on.

Changes in habitat use at rain forest edges through succession: a case study of understory birds in the Brazilian Amazon

The study also pointed to the minimum patch size needed for bird habitat, breeding, and nest success.

Findings from the ABC study confirmed that sustainably managed forests provide healthy habitat and make a significant contribution to the preservation of the five species of birds studied.