Sentences with phrase «gull species»

If Glaucous - winged Gulls establish a toehold so far from their current West Coast haunts (very doubtful), wildlife managers will be closely monitoring their interactions and possible hybridization with other gull species.

But it was a limited study: it looked only at the gannets and four gull species; it looked only at those birds in a particular part of the world, and offshore; and it didn't draw any conclusions about any species other than northern gannets.

That 2014 paper showed that northern gannets seem to give offshore wind installations a wide berth, while a number of gull species show no evidence of either avoiding or being attracted to those installations.

There are no year round populations of gulls on Ambergris Caye, but some gull species do winter here.

The island is home to a wide range of birdlife including various gull species, so keep an eye out during your hike.

Not exact matches

(The existence of «ring species», such as the Larus gulls, illustrates the problem, as indeed does «speciation» in evolution, whereby all animals are of the same species as their parents and offspring, but not as their remote ancestors or descendents.)

Other noteworthy species included the King Eider, Northern Fulmar, American Golden - Plover, Black - headed Gull, Little Gull, Chuck - will's - widow, Sedge Wren, Prothonotary Warbler, Yellow - breasted Chat, Summer Tanager and Blue Grosbeak.

Though this strategy did not result in hybrid pairings, it did seem to help the Ross's gulls develop their mating displays, which may improve their performance when it really counts and members of their own species are available.

With the help of fellow researcher Dustin Rubenstein, a behavioral and evolutionary ecologist at Columbia University, Botero collected data for more than 200 bird species that included gulls, geese, ducks, sparrows, bluebirds and falcons.

The Gull Chick Principle Other rules of aesthetics besides peak shift can also be invoked to explain the astonishing diversity of species.

Hence, we predict that a species of gull will emerge that has two or even three red beak stripes instead of just a bigger red splotch.

The gull chick principle may apply widely, because the visual system of every animal is wired to use specific characteristics to identify others of its species.

The Hague is a coastal city in the Netherlands where large species such as the Lesser Black - backed (larus fuscus) and Herring (Larus argentatus) gulls are considered to be a pest.

Passing through The birds rescued so far include northern gannets, pelicans, a sora, a magnificent frigatebird and laughing gulls, along with a handful of unexpected species like rock doves and a cattle egret that are not generally expected to come into contact with the oil.

But songbirds aren't the only reason birds are so varied and interesting: Bursts of new species appeared among island birds, waterfowl, woodpeckers, hummingbirds, and gulls, among others, at various times during avian evolution, researchers report online today in Nature.

However, it is worth remembering that all these species are classed as Birds of Conservation Concern, and the Herring Gull is on the Red List.

The research, published in the British Trust for Ornithology (BTO) journal Bird Study, looked at the breeding populations of three species of large gull; Herring Gull, Great Black - backed Gull and Lesser Black - backed Gull on the Hebridean island of Canna, and the relationship between these gull populations and the fall in the quantity of fish landed in the nearby harbour of Mallgull; Herring Gull, Great Black - backed Gull and Lesser Black - backed Gull on the Hebridean island of Canna, and the relationship between these gull populations and the fall in the quantity of fish landed in the nearby harbour of MallGull, Great Black - backed Gull and Lesser Black - backed Gull on the Hebridean island of Canna, and the relationship between these gull populations and the fall in the quantity of fish landed in the nearby harbour of MallGull and Lesser Black - backed Gull on the Hebridean island of Canna, and the relationship between these gull populations and the fall in the quantity of fish landed in the nearby harbour of MallGull on the Hebridean island of Canna, and the relationship between these gull populations and the fall in the quantity of fish landed in the nearby harbour of Mallgull populations and the fall in the quantity of fish landed in the nearby harbour of Mallaig.

However, it has now been shown that such windows are not likely to work for all species, but only for birds like small passerines, gulls and parrots, who have a special type of colour vision.

Kelp provides a long three dimensional structure that offers protection and a source of food for many juvenile species of fish (pollock, cod, and flounder), juvenile and adult shellfish (lobsters and crabs), seals and birds (terns and gulls).

He has observed polar bears eating more than 200 eggs in 2 hours, and last year no chicks or eggs of any species — barnacle geese, eiders, and glaucous gulls — survived.

Listing Proposal: California golden trout, Lake Sammamish kokanee salmon, black - footed albatross, cactus ferruginous pygmy owl, western gull - billed tern, dusky tree vole, Alabama pearlshell, Choctaw bean, coquí llanero, fuzzy pigtoe, Mohave ground squirrel, Mojave fringe - toed lizard, narrow pigtoe, Oklahoma grass pink, Ozark chinquapin, round ebonyshell, San Bernardino springsnail, southern kidneyshell, southern sandshell, tapered pigtoe, Tehachapi slender salamander, Three Forks springsnail, 23 species from Oahu.

Yellow - legged gull population control and Black rat eradication at important target species breeding colonies;

The gulls also prey on species belonging to the genus Clupeidae.

32 Northwest mollusks 404 Southeast aquatic, riparian, and wetland species Acuna cactus Amargosa toad American pika (federal) American, Taylor, Yosemite, Gray - headed, White Mountains and Mt. Whitney pika (California) Andrew's dune scarab beetle Ashy storm - petrel Atlantic bluefin tuna Bearded seal Black abalone Blumer's dock Bocaccio (central / southern population) Cactus ferruginous pygmy owl California spotted owl California tiger salamander (federal) California tiger salamander (California) Canelo Hills ladies» tresses Casey's June beetle Cherry Point Pacific herring Chiricahua leopard frog Colorado River cutthroat trout Cook Inlet beluga whale (1999) Cook Inlet beluga whale (2006) Delta smelt Desert nesting bald eagle Dusky tree vole Elkhorn coral Gentry's indigobush Giant palouse earthworm Gila chub Great Basin spring snails Headwater chub Holmgren's milk - vetch Huachuca water umbel Iliamna lake seals Island fox Island marble butterfly Kern brook lamprey Kittlitz's murrelet (Alaska) Kittlitz's murrelet (federal) Klamath River chinook salmon Las Vegas buckwheat Least chub Loggerhead sea turtle (northern and Florida population) Loggerhead sea turtle (northern Pacific population) Loggerhead sea turtle (western North Atlantic population) Longfin smelt Mexican garter snake Mexican spotted owl Mojave finge - toed lizard North American green sturgeon Northern Rockies fisher Northern sea otter Pacific fisher (federal) Pacific fisher (California) Pacific lamprey Pacific Northwest mollusks Pacific walrus Page springsnail Palm Springs pocket mouse Parish's alkali grass Polar bear Puget Sound killer whale Queen Charlotte goshawk Relict leopard frog Ribbon seal Ringed seal River lamprey Rio Grande cutthroat trout Roundtail chub Sacramento Mountains checkerspot butterfy Sand dune lizard Sand Mountain blue butterfly Shivwitz milk - vetch Sierra Nevada mountain yellow - legged frog Sierra Nevada red fox Siskiyou Mountains salamander Sonora tiger salamander Southwestern willow flycatcher Spotted seal Spring pygmy sunfish Staghorn coral Tahoe yellow cress Tricolored blackbird Tucson shovel - nosed snake Virgin river spinedace Western brook lamprey Western burrowing owl (California) Western gull - billed tern Yellow - billed cuckoo Yellow - billed loon Yosemite toad

The island is one of the most important seabird nesting sites within the Channel Islands, with 11 nesting species, including western gulls, California brown pelicans, three species of cormorants, three species of storm - petrels, and one of the world's largest colonies of Scripps's murrelets.

They are home to over 100 species of migratory birds and support globally important populations of Black - Necked Grebe, African Spoonbill, Pied Avocet, Little Grebe, Yellow Billed Stork, Black Winged Stilt, Grey - Headed Gull and Gull Billed Tern.

Since the restoration, biologists have identified over 17 fish species and 135 bird species in the tidal marsh, including herons, egrets, ducks, and gulls.

Kayaking the Gulf Islands shores reveals small mammals who cruise the inter-tidal world such as mink, otters, deer and racoons, plus over a hundred species of bird life, including bald eagles, great blue herons, ospreys, gulls, cormorants and a wide array of duck species.

[1] It is an important breeding site for northern elephant seals and the endangered Steller's sea lion, as well as several species of seabirds, including rhinoceros auklets, Brandt's cormorants and western gulls.

Two species are of particular ecological concern: the western gull (Larus occidentalis) and Brandt's cormorant (Phalacrocorax penicillatus), both of which are threatened by feral cats and island foxes.

At times some western gulls can be predatory, preying on the young of other birds and even adults of some species.

Other oceanic species use the western gull to find prey.

Sandy beaches are inhabited by plovers, terns, marbled godwits (Limosa fedoa), and several species of gulls.

Fauna: Bottle - nosed dolphins, humpback whales, green iguanas, sea - hare crabs, Olive Ridley sea turtles, hawksbill sea turtles, pale - billed woodpeckers, brown boobies, frigate birds, pelicans, white ibis, cormorants, great blue herons, and several species of terns, gulls and sandpipers.

As happens from time to time with some Asian bird species, this gull migrated the wrong way.

The park features more than 300 species of birds including Changeable Hawk Eagle, collared Scops owl, Sirkeer Malkhoa, Bonelli's Eagle, Demoiselle Crane, Yellow Wattled Lapwing, Greater Flamingo, Brown Headed Gull and so on.

More a 17 - million - year - old lava block, Haystack Rock is also a protected National Wildlife Refuge and Marine Garden, home to countless species of nesting birds, including gulls and tufted puffins.

The spit is host to over 90 bird species including the Black Swan, Australasian Gannet, Caspian Tern, Southern Black - backed Gull, Red - billed Gull and Variable Oystercatcher.

This northernmost island is extremely remote and is home to millions of different bird species including the red - footed booby as well as frigates, swallow - tailed gulls and endemic owls!

The most common species are: Red - tailed hawk, osprey, great blue and night herons, egrets, brown pelicans, cormorants, gulls, sandpipers, frigate birds, royal terns, blue footed and brown boobies, oyster catchers, grebes, kingfishers, and hummingbirds.

Named for an endangered species — the Laughing Gull — this caye was once a crowded breeding ground but gulls moved to more remote atolls as a result of humans visiting too often.

Of course, the bird count at Wave Hill was just part of the more widespread count throughout the Bronx, whose coordinator, Michael Bochnik, told us that highlights among the more than 100 species observed in the borough were a snowy owl, great egret, laughing gull, barred owl, saw - whet owl, Nashville warbler and two orange - crowned warblers.

Biology also gets in on the act with ring - species such as the Larus Gull or the Song Sparrow.

Some species don't get the chance to seek cooler climate as climate change has also caused the disappearance of many creatures including emperor penguins, which lost 50 percent of their population; rockhopper penguins in Campbell Island dipped by 96 percent; ivy gull lost 70 percent; and Arctic skua breeding numbers in Scotland decreased 74 percent from 1986 to 2011.

Scientists have observed that lesser black - backed gulls in the North Sea may be taking advantage of an increased population of a species of crab.