Sentences with phrase «on bird species»

Atlases are particularly useful in providing information on bird species considered to be at risk.

Climate change is having a bigger effect than previously thought on bird species.

Winter, L. and Wallace, G.E., Impacts of Feral and Free - Ranging Cats on Bird Species of Conservation Concern, G.E. Wallace, Editor.

``... the ecological and conservation significance of these kill tallies is difficult to contextualise, because (1) there are no reliable estimates of the total population of birds in Australia; (2) predation may fall disproportionately on some bird species; (3) some bird species may be able to sustain high mortality rates and maintain viable populations but others may not; and (4) as demonstrated here, there is substantial spatial variation in the numbers and proportion of birds killed across Australia.»

Not exact matches

As the Seascapes Director at Conservation International, Laure Katz, a University of Virginia EMBA, raised $ 38 million dollars to protect Indonesia's Bird's Head Seascape, which she describes as «the single greatest reservoir of marine species on the planet.»

Since its 1861 discovery in Bavaria, just a few years after the publication of Charles Darwin's On the Origin of Species, most scientists have placed Archaeopteryx at the root of the broad group of proto - birds, known as Avialae, from which our avian feathered friends emerged.

Central America lies on the route of many species of migratory birds.

Below it, on the evolutionary tree, stretch countless theropod dinosaurs that become ever more birdlike through time, and above it stretch numerous bird species that bridge every step of the way from Archaeopteryx to fully - fledged birds.

Archaeopteryx is no longer on its own, a single species that attests to the reality of an evolutionary transition from reptiles to birds.

Reflect for a moment on a few familiar facts: The endangered wildlife list now stands at a record 101 species in the United States — mammals, birds, fish, amphibians, and reptiles facing extinction.

That is, there was no conscious attempt on the part of individual reptiles to seek such biological changes, since a series of random genetic mutations (over a sufficiently long span of time) took its natural course to achieve an environmentally adaptive bird - like species.

These extra items left on the bay are one of its biggest threats for Jamaica Bay, a national park that's home to more than 325 species of birds, invertebrates and sea life, Krause said.

Specifically, we pop in a DVD titled Winged Migration, Jacques Perrin's Oscar - nominated documentary that follows dozens of species of birds on their amazing migratory trek — some covering more than 2,000 miles.

The «Know Your Coffee Birds» series profiles bird species that are often found on shade coffee farms, having adapted to these altered habitats.

New bird species continue to be detected on the farm.

This came just days after Animals Australia and CADs were forced to approach the Vic Supreme Court to block shooters from killing birds on a major Victorian wetland where threatened species were seeking refuge.

Invertebrates, fruit, and nectar are the most important food sources for birds in coffee plantations, so coffee farms are especially important to bird species that feed on these resources.

This study radiotracked several species of resident forest birds in the Coto Brus province of southern Costa Rica, now «dominated by sparsely - shaded coffee farms» — recall that in my post on coffee growing in Costa Rica that most farms, including those marketed as «shade» coffee, have few shade trees of only a couple of species, and lack the structural complexity necessary for true biodiversity preservation.

There, you can read about Hispaniola's great biodiversity, including 30 endemic bird species; the importance of the island to birds that winter and migrate through the West Indies and breed in North America; and the critical role of shade coffee in preserving habitat on an island with a very high level of deforestation.

They used information on birds and trees in landscapes with different levels of production output to project how different species» population sizes would respond to different ways of using the land.

Reasons for the higher number and species diversity of birds and bird territories on organic farms include better breeding habitats and better food conditions.

Many bird species feed on insects, and an abundant presence may thus also contribute to a better natural pest control.

He found that finches (which are a species of bird) varied in different ways depending on what Island they lived on.

Exploring the North River from source to mouth, guided sanctuary walks throughout the season, species - related and general birding programs, and lectures that focus on the natural history of the region are among the special programs offered for adults.

Despite a cool start on both Friday evening and Saturday morning, 688 enthusiastic birders ventured forth to comb the Commonwealth in search of as many bird species as possible during the 24 - hour Bird - a-thon perbird species as possible during the 24 - hour Bird - a-thon perBird - a-thon period.

Blessed with idyllic conditions on Friday evening, many birding teams were fortunate in finding a number of interesting species before sunset.

Mass Audubon and Three Bays Preservation are dedicated to restoring habitat on the island to continue protection to these vulnerable coastal bird species.

The Kane County Forest Preserve District was awarded $ 750,000 to acquire a 67 - acre parcel adjacent to Blackberry Maples Forest Preserve in southern Kane County, home to several species of birds and reptiles on the state's endangered list.

The Academy has a large number of Bailey's photographs in their Archives taken on his trips all over the United States and Canada with the intention of recording a variety of species of birds in their natural habitat.

Search for one of 78 species of butterflies on the sanctuary, listen for birds, notice how humans have shaped the landscape, and peer into ponds to find frogs staring back at you!

These agricultural fields, along with wetlands, oak and white pine forests, granite outcroppings, and eskers and kettle holes provide a great opportunity to observe some of the 163 species of birds that have occurred on the sanctuary.

Massachusetts Birds and Our Changing Climate builds on those previous reports and identifies conservation priorities for more than a hundred species that will be affected by changing patterns of temperature and rainfall, both manifestations of a warming planet.

While Focus on Feeders is a great event for families, first timers, and veteran bird enthusiasts alike, these observations and lists also contribute to a growing knowledge of birdlife and potential changes in species and abundance.

This year's to - do lists include (depending on the sanctuary) removing invasive species; preparing garden beds to attract a variety of visitors, from birds and butterflies to people; cleaning nature play areas; restoring habitats; maintaining trails; and improving entrance areas.

Mass Audubon is again inviting the public to help bird species in the coldest season by joining its «Focus on Feeders» annual winter bird count the weekend of February 4 - 5, 2012.

She also wrote the complete text of the Long Pasture Bird Guide, available in the Visitor Center, and she is working on improving and maintaining the sanctuary's bird garden, a place where visitors can see purple martins and other relatively uncommon specBird Guide, available in the Visitor Center, and she is working on improving and maintaining the sanctuary's bird garden, a place where visitors can see purple martins and other relatively uncommon specbird garden, a place where visitors can see purple martins and other relatively uncommon species.

In a high - flying illustration of how global warming appears to be changing New York's natural landscape, a new study by a state researcher and an experienced birdwatcher has found that more and bird species are being found higher and higher on a well - known Adirondack mountain.

Biologist Eric Powers, who volunteers at the Clark Botanic Garden, says that it is especially important to use natural remedies, such as bats, because past pesticide use nearly wiped out certain species of birds on Long Island.

«Health Department officials confirm that the species of mosquito found to be infected with EEE generally feeds on birds, but prudence dictates we take every precaution to protect the public's health and safety when dealing with the potentially serious threat this disease poses to livestock and humans,» Picente said.

You can visit Mark at the Forsyth Nature Center on Lucas Avenue in Kingston to pick up copies of Where to Bird in Ulster County and the recently updated companion checklist of species seasonal abundance and occurrence; or just ask questions and talk birds.

The worrisome study of birds, published in July in the journal Nature, focused on the effect of imidacloprid, the most popular neonicotinoid, on 15 species.

Huge survey reveals that bird species spending more time on the wing tend to have long or pointy eggs

For every species of mammal, bird, reptile and amphibian on land, there is a species of bony fish in the ocean.

For a start, different bird species have three types of visual field, depending on the position of their eyes (see diagram).

Ixodes scapularis keeps Lyme Borrelia cycling in nature, says Clark, as do three other Ixodes species on the ground: Ixodes affinis moves among rodents; I. minor moves among rodents and probably birds; and I. dentatus moves among birds and rabbits.

Unlike many bird species that are now extinct on the Earth's small islands, the Eastern Bluebird and the Hispaniolan Crossbill disappeared long before the first people arrived, uncoupling their extinction from human actions, such as the introduction of new predators and habitat loss for agricultural use.

On dinosaurs, as on modern birds, feathers could have served a variety of purposes, providing lift or maneuverability during flight; a means of sending signals to other members of its species, including those of the opposite sex; or insulating against the colOn dinosaurs, as on modern birds, feathers could have served a variety of purposes, providing lift or maneuverability during flight; a means of sending signals to other members of its species, including those of the opposite sex; or insulating against the colon modern birds, feathers could have served a variety of purposes, providing lift or maneuverability during flight; a means of sending signals to other members of its species, including those of the opposite sex; or insulating against the cold.

The Eastern Bluebird (Sialia sialis) and Hispaniolan Crossbill (Loxia megaplaga) were among 17 species of birds that were found on the Bahamian Island of Abaco during the last Ice Age, but that no longer live there today.

Along the way, we meet creatures such as the Bornean bristlehead, a single - species family that inhabits the high canopy in deep rainforest; the helmet - billed vanga, with a beak that looks like it is made from blue plastic; and Odontopteryx, which, cruising Miocene seas on wings spanning up to 5 metres, was one of the largest flying birds ever.

Hence, according to Fitzgerald speaking from his own experience in class rooms, Hawkeye can instigate discussion on the physiology of the human eye, while also allowing for comparison with other species, such as birds of prey, and reflection on advancements related to genetic engineering and wearable technologies.