Sentences with phrase «seabirds which»

The river mouth is a breeding ground for seabirds which makes it a wonderful playground for twitchers.

Not exact matches

The crab inched towards a common seabird called a red - footed booby (Sula sula), which was asleep in a nest near ground level.

Scientists conducting fieldwork in the region are reporting massive chick die - offs and nests with abandoned eggs, reports National Geographic's Winged Warnings series, which lays out the many threats facing the island's seabirds: warming oceans, earlier thaws, changing ocean chemistry and food webs, and increasing levels of ocean pollutants from PCBs to mercury.

Heleno Armando da Silva, director of the Fernando de Noronha national marine park, says the threat from the tejus has driven many seabirds to nest in trees, which they would not normally do.

This might appear to be good news, but it is due to a decline in fish stocks near the surface which has forced seabirds to feed in areas where there are more bacteria (known as sulfate - reducing bacteria) which control the levels of mercury.

The so - called «walls of death» drift nets used in the Pacific, which can sometimes extend for 50 kilometres, inadvertently catch large numbers of whales, seabirds and unwanted fish.

They include kelp flies, which feast on decaying algae, and other insects which feed on washed - up carcasses of fish, marine mammals and seabirds.

The litter floating in the Arctic is particularly detrimental to seabirds, which feed at the sea surface.

Forcing vessels to land fish which are currently discarded leads to adverse effects on seabirds and marine mammals — and on seabed animals — but without any improvements in fish stocks, the study found.

Pellets are often found in the stomach content of seabirds like fulmars, which feed from the surface of the sea.

Nor even the catastrophic failure of Scottish seabirds to breed, which some researchers attributed to a dearth of plankton in the warming waters of the North Sea.

My favourite is: which seabird has the Latin name Puffinus puffinus?

Hawaii also hosts many seabirds, which have seen a 39 % decline in 40 years.

Fish stocks declined, which in turn affected the seabirds.

So researchers turned to two different estimation methods — one whereby total mortalities were estimated from the actual number of dead birds recovered, and another in which information on the geographic extent of the oil slick and seabird densities were used to estimate potential mortalities.

Seabirds, which reflect the health of their marine ecosystems, often build their nests in inaccessible areas — wedged into vertical cliffs or on remote islands battered by intense waves.

They feed on the bottom of the food chain — on single - celled plankton, which larger fish can not eat — and then they become prey for all sorts of upper - level predators like tuna, sea bass and halibut as well as seabirds and marine mammals.

Black - footed albatross: A large, dark - plumed seabird that lives in northwestern Hawaii, the black - footed albatross is threatened by longline swordfish fisheries, which kill it as bycatch.

According to the scientists, Pelagornis sandersi had bony tooth - like spikes in its jaw, making it a previously unknown species of the Pelagornithidae, which is an extinct group of giant seabirds.

Then there's a much smaller vessel, manned by four members of the United States Coast Guard, which much ascend these towering waves or plow straight them — the ship speeding underwater like a seabird diving for prey.

Michaelmas Cay is a unique coral cay which is also a protected bird nesting sanctuary for migratory seabirds - Enjoy a full day exploring the beauty of the Great Barrier Reef including:

Several species of seabirds including Kittiwakes, of which there are several thousands of pairs at Troup Head, have had a hard time in recent years, as Dominic continues:

Guided canoes up the Umgeni River to sight the giant heron, explore the upper reaches of the mangrove swamps and the river's two islands on which even further seabirds roost is one of the highlights.

When the three currents mingle and rise to sunlit depths, it creates ideal conditions for massive plankton blooms, which are essential for seabirds and larger forms of marine life.

This extensive tour covers close to 30 miles round revealing a buffet of Big Island highlights see current eruption activity, rainbows, and an array of marine life which can include, dolphins, flying fish (Malolo), seabirds, Hawaiian Sea Turtles &; even Humpback Whales (Dec - May).

Many tour operators offer marine sightseeing tours, during which you'll likely see an abundance of marine life, including orcas (killer whales), seals, sea lions, porpoises, bald eagles, bears and many, many seabirds.

Sculptural white icebergs, ice floes and deep blue seas flank the barren, rocky coastlines, which are home to moss, lichens and small plants and an incredible abundance of marine mammals and seabirds.

The park features a black sand beach, tide pools (which sometimes turn red), seabird colonies, lava tubes, blowholes, freshwater caves, and a natural stone arch.

This brings a high concentration of fish, which attracts seabirds in high numbers.

Dead birds are common on the Oregon coast, especially after winter storms, which can catch seabirds far out at sea off - guard.

Park officials had said they needed to get rid of the rats, which are not native to the islands, to protect several native species, particularly a small seabird called the Xantus» murrelet, whose eggs the rodents devour.

A council representing government agencies affected by the spill — which killed thousands of seabirds — approved the park service's project, including a final environmental report last November.

Madelena do Mar is a tradtional Madeiran fishing village with a seafront promenade along the pebbly beach, Lugar de Baixo is home to a lagoon, which is in turn home to a whole host of migrating seabirds, and finally Anjos, a beach consisting of black sand and pebbles halfway between Ponta do Sol and Madelena do Mar..

Throughout the voyage the crew maintain a lookout for seabirds, dolphins or whales and keep an expedition log, a bound copy of which will be sent to everybody at the conclusion of the expedition.

These Islands are spectacular, eroded into numerous arches and caves, which provide shelter for thousands of seas lions and seabirds, some of which are very rare.

It is inhabited by large numbers of pelicans, sea gulls, ospreys and Costa Rica's largest community of boobies, which makes it a very important seabird sanctuary.

Cape Kidnappers is home to the largest mainland colony of Gannets which are a large seabird — up to 20,000 breeding pairs are in residence over the summer months raising their chicks and fishing the coastal waters off Cape Kidnappers.

The southernmost island of the Bunker Group of islands, it is also part of the Capricorn Bunker Group which contains around 75 per cent of all seabird biomass of the Great Barrier Reef.

We love to watch turtles and tarpon on the reef below and seabirds flying by (we're pelican height), not to mention parasailors from the Ritz Carlton, which is a 10 minute ride away with its fine dining and shops.

The enormous rock stands guard 235 feet above the beach and provides an essential home for nesting seabirds and a wide variety of other marine creatures in the tidal pools below, which you can reach on foot during low tide.

I am an Irish artist living near the north Antrim coast which gives me most of my imagery for painting.Big skies, dark seas and seabirds are my fovourite subjects, although I do occasionally break away to paint in Connemara and France.

Overall, seabird counts had fallen by more than 69 % − which adds up to 230 million birds − in the past six decades, and those seabirds that ranged the widest seemed to fare the worst.

For more on the terrestrial foods topic, see my detailed discussion in this previous post, and this recent (March 30) ScienceNews report on yet another, largely anecdotal «polar bears resort to bird eggs because of declining sea ice» story (see photo below, based on a new paper by Prop and colleagues), which was also covered March 31 at the DailyMail («Polar bears are forced to raid seabird nests as Arctic sea ice melts — eating more than 200 eggs in two hours,» with lots of hand - wringing and sea ice hype but little mention of the fact that there are many more bears now than there were in the early 1970s around Svalbard or that the variable, cyclical, AMO (not global warming) has had the largest impact on sea ice conditions in the Barents Sea).

As the ocean warms, the temperature variation causes algae blooms to happen in different places and times, which can be very harmful to baby seabirds.

Working with the advice of the Marine Conservation Biology Institute, the Environmental Defense Fund, and the Pew Environmental Fund, Bush selected sites that collectively harbor the world's smallest atoll (Rose Atoll - which is home to more than 500 fish species and 97 % of American Samoa's seabirds), several threatened turtle nesting beaches, the deepest ocean canyon in the world (the Mariana Trench, with its otherworldly, undersea volcanoes, acidic thermal vents, liquid sulfur, and incredibly rare life forms), hundreds of species of corals, Hawaiian monk seals, and countless seabirds, rays, sharks, dolphins and whales.

This leaves local seabirds — which are threatened due to pollution and diminished coastal fish populations — and the already - endangered island fox.