On average, a mammal has a brain roughly twice as large as that of a bird of the same body size, and ten times as large as that of a reptile of the same body size.

A recent report ( 2006 ) by the NOAA's Southwest Fisheries Science Center in La Jolla, California, indicates that the increased rat presence on Clipperton Island has led to a decline in both crab and bird populations, causing a corresponding increase in both vegetation and coconut palms on the island.

So far, only a single bird species, which has not been named, has been confidently identified from both above and below the K-Pg boundary ( it is present in the Maastrichtian Hell Creek Formation and Danian Fort Union Formation ).

It is because of the scarlet color of cardinals ' vesture that the bird of the same name has become known as such.

Fair Isle has a permanent bird observatory, founded by George Waterston in 1948.

a bird that has a red breast and pinions ".

This has led to an alternative English common name for the bird, " garefowl " or " gairfowl ".

While recent evidence suggesting that American Ivory-billed Woodpeckers may still exist in the wild has caused excitement in the Ornithology community, no similar evidence exists for the Cuban Ivory-billed bird, believed to be extinct since the last sighting in the late 1980s.

The island has three endemic bird species, and two endemic subspecies.

Phosphate — in actuality a resource derived from a 1, 000-year cycle of bird droppings — has been mined on the island since 1906.

An example of the opposite case is " cuckoo ", which, due to continuous familiarity with the bird noise down the centuries, has kept approximately the same pronunciation as in Anglo-Saxon times and its vowels have not changed to as in " furrow ".

The bird has just two toes on each foot ( most birds have four ), with the nail on the larger, inner toe resembling a hoof.

Hybridization with the subspecies that evolved southwestwards of its range, S. c. massaicus, has apparently been prevented from occurring on a significant scale by ecological separation, the Somali Ostrich preferring bushland where it browses middle-height vegetation for food while the Masai Ostrich is, like the other subspecies, a grazing bird of the open savanna and miombo habitat.

Rousay is a ' Site of Special Scientific Interest ' with notable cliff formations and wildflower colonies, and has an RSPB bird reserve.

The GEICO company has created a series of television ads that are built around proverbs, such as " A bird in the hand is worth two in the bush ": and " The pen is mightier than the sword "

Conversely, birds of prey-which show distinct reverse sexual dimorphism — tend to be monogamous for long periods or mate for life ; some species like the Snail kite will choose new mates every year, polygyny is noted in many Harriers and polyandry has been observed in the Harris ' Hawk ( notable for being the only bird of prey to regularly live and hunt in family and social groups ) and the aforementioned Galapagos hawk.

Another etymology that has been proposed is English pigeon, a bird sometimes used for carrying brief written messages, especially in times prior to modern telecommunications.

It has declared several bird sanctuaries including Kumana.

The archipelago has fifteen bird sanctuaries, one geotopic protected area and six nature reserves — with Nordaust-Svalbard and Søraust-Svalbard both being larger than any of the national parks.

While wild cats, dogs, feral pigs, black rats, Polynesian rats and mice are present, the island has no known populations of possums, mustelids ( weasels, stoats or ferrets ), hedgehogs, brown rats or deer, thus being a relative haven for native bird and plant populations.

The study of learning became an area of interest and the study of bird song has been a model for studies in neuro-ethology.

The role of hormones and physiology in the control of behaviour has also been aided by bird models.

The use of bird skins to document species has been a standard part of systematic ornithology.

A bird, once it has detected a bird of prey, calls to signal to the bird of prey that it was detected, and that there is no use trying to attack the calling bird.

The Blue Crane ( Anthropoides paradiseus ), also known as the Stanley Crane and the Paradise Crane, is the national bird of South Africa.

They will also visit ground-level bird baths.

The coyote will also target any species of bird that nests on the ground.

They also commonly eat grass, shoots, and many other forms of plant matter, as well as fungi, insects and other arthropods, small frogs, worms, and bird eggs.

Chipmunks play an important role as prey for various predatory mammals and birds, but are also opportunistic predators themselves, particularly with regard to bird eggs and nestlings.

The island hosts introduced bird species from many different regions, including Cattle Egrets ( Bubulcus ibis ), Indian Barred Ground Dove, also called the Zebra Dove ( Geopelia striata ), Turtle Dove ( Streptopleia picturata ), Indian Mynah ( Acridotheres tristis ), Madagascar Fody ( Foudia madagascariensis ), and chickens ( Gallus gallus ).

In New Guinea, Mayr collected several thousand bird skins ( he named 26 new bird species during his lifetime ) and, in the process also named 38 new orchid species.

Though an egg appears to be like the stone of a tomb, a bird hatches from it with life ; similarly, the Easter egg, for Christians, is a reminder that Jesus rose from the grave, and that those who believe will also experience eternal life.

* The bird also appears in Farley Mowat's Sea of Slaughter.

A common toy that is also a heat engine is a drinking bird.

" arpa or harpa " from ancient Greek verb ἅρπῶ " arpo or harpo " meaning grasp, catch or snatch modern Greek αρπάζω ( arpazo or harpazo ), also ancient Greek ἅρπη ( arpe or harpe ) harpy meaning Vulture eagle-like bird, modern greek αρπακτικό ( arpactico or harpactico ).

On December 29, 1934, President Franklin D. Roosevelt transferred control of Johnston Atoll to the United States Navy in order to establish an air station, and also to the Department of the Interior to administer the bird refuge.

The main diet of most lorisids consists of insects, but they also consume bird eggs and small vertebrates as well as fruits and sap.

In this feature, Adrian Shine of the Loch Ness Centre was also interviewed and suggested that the footage showed an otter, seal or water bird.

Well known examples of his work also include Drawing Hands, a work in which two hands are shown, each drawing the other ; Sky and Water, in which light plays on shadow to morph the water background behind fish figures into bird figures on a sky background ; and Ascending and Descending, in which lines of people ascend and descend stairs in an infinite loop, on a construction which is impossible to build and possible to draw only by taking advantage of quirks of perception and perspective.

However, some species exhibit sex-role reversed behavior in which it is males that are most selective in mate choice ; the best-known examples of this pattern occur in some fishes of the family Syngnathidae, though likely examples have also been found in amphibian and bird species.

Deucalion also sends a pigeon to find out about the situation of the world and the bird return with an olive branch.

Fruit is the most important component of an orangutan's diet, however, the apes will also eat vegetation, bark, honey, insects and even bird eggs.

It is also home to more than 240 plants, 26 of which are endemic, and 50 bird species, including the critically endangered Puerto Rican Amazon ( Amazona vittata ).

Polyandry also occurs in some primates such as marmosets, mammal groups, the marsupial genus ' Antechinus and bandicoots, around 1 % of all bird species, such as jacanas, insects such as honeybees, and fish such as pipefish.

Caponization also affects the disposition of the bird.

The understanding of the divine spiritual endowment of the rooster within Islam, may be evidenced in the words of Muhammad of that Abrahamic religion in one of the six canonical hadith collections of Sunni Islam, stating that of " when you hear the crowing of cocks, ask for Allah's Blessings for they have seen an angel " as well as the mention where " the cock is also venerated in Islam: it was the giant bird seen by Muhammad in the First Heaven crowing.

The logo artwork was also subtly altered, with an arched eyebrow and a forward-facing pupil suggesting a more aggressive-looking bird.

Communicating through infantile gibberish or babbling, the Teletubbies were designed to bear resemblance to actual toddlers dwelling within a beautiful, grassy floral landscape that is also populated by rabbits with bird calls audible in the background.