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Information about American Dipper

American Dipper

Conservation status
Scientific classification
Kingdom:Animalia
Phylum:Chordata
Class:Aves
Order:Passeriformes
Family:Cinclidae
Genus:Cinclus
Species:C. mexicanus
Binomial name
Cinclus mexicanus
Swainson, 1827


The American Dipper (Cinclus mexicanus), also known as a Water Ouzel, is a stocky dark grey bird with a head sometimes tinged with brown, and white feathers on the eyelids cause the eyes to flash white as the bird blinks. It is 16.5 cm long and weighs on average 46 g. It has long legs, and bobs its whole body up and down during pauses as it feeds on the bottom of fast-moving, rocky streams. It inhabits the mountainous regions of Central America and western North America from Panama to Alaska.

This species, like other dippers, is equipped with an extra eyelid called a "nictitating membrane" that allows it to see underwater, and scales that close its nostrils when submerged. Dippers also produce more oil than most birds, which may help keep them warmer when seeking food underwater.

In most of its habits, it closely resembles its European counterpart, the White-throated Dipper, Cinclus cinclus, which is also sometimes known as a Water Ouzel. It feeds on aquatic insects and their larvae, including dragonfly nymphs and caddisfly larvae. It may also take tiny fish.

The song consists of high whistles or trills peee peee pijur pijur repeated a few times. Both sexes of this bird sing year round. It defends a linear territory along streams

Its habit of diving and walking along the bottom of streams in search of food sometimes makes it the occasional prey of large salmon or other anadromous fish.

The American Dipper's nest is a globe-shaped structure with a side entrance, close to water, on a rock ledge, river bank, behind a waterfall or under a bridge. The normal clutch is 2-4 white eggs, incubated solely by the female, which hatch after about 15-17 days, with another 20-25 days to fledging. The male helps to feed the young.

it is usually a permanent resident, moving slightly south or to lower elevations if necessary to find food or unfrozen water. The presence of this indicator species shows good water quality; it has vanished from some locations due to pollution or increased silt load in streams.

References

  • BirdLife International (2004). Cinclus mexicanus. 2006 IUCN Red List of Threatened Species. IUCN 2006. Retrieved on 12 May 2006. Database entry includes justification for why this species is of least concern
  • Erlich et al The Birder's Handbook
  • Stiles and Skutch, A guide to the birds of Costa Rica ISBN 0-8014-9600-4

External links

conservation status of a species is an indicator of the likelihood of that species continuing to survive either in the present day or the future. Many factors are taken into account when assessing the conservation status of a species: not simply the number remaining, but the
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Least Concern (LC) is an IUCN category assigned to extant species or lower taxa which have been evaluated but do not qualify for any other category. As such they do not qualify as threatened, nor Near Threatened, nor (prior to 2001) Conservation Dependent.
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Scientific classification or biological classification is a method by which biologists group and categorize species of organisms. Scientific classification also can be called scientific taxonomy, but should be distinguished from folk taxonomy, which lacks scientific basis.
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Chordata
Bateson, 1885

Typical Classes

See below

Chordates (phylum Chordata) are a group of animals that includes the vertebrates, together with several closely related invertebrates.
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Aves
Linnaeus, 1758

Orders

About two dozen - see section below

Birds (class Aves) are bipedal, warm-blooded, egg-laying vertebrate animals.
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Passeriformes
Linnaeus, 1758

Suborders
  • Acanthisitti
  • Tyranni
  • Passeri


A passerine is a bird of the giant order Passeriformes. More than half of all species of bird are passerines.
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Cinclidae

Genus: Cinclus
Borkhausen, 1797

Species
  • Cinclus cinclus
  • Cinclus leucocephalus
  • Cinclus mexicanus
  • Cinclus pallasii
  • Cinclus schulzi

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Cinclidae

Genus: Cinclus
Borkhausen, 1797

Species
  • Cinclus cinclus
  • Cinclus leucocephalus
  • Cinclus mexicanus
  • Cinclus pallasii
  • Cinclus schulzi

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binomial nomenclature is the formal system of naming species. The system is also called binominal nomenclature (particularly in zoological circles), binary nomenclature (particularly in botanical circles), or the binomial classification system.
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William John Swainson FLS, FRS (October 8, 1789 - December 6, 1855), was an English ornithologist, malacologist, conchologist, entomologist and artist.

Swainson was born in Dover Place, St.
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18th century - 19th century - 20th century
1790s  1800s  1810s  - 1820s -  1830s  1840s  1850s
1824 1825 1826 - 1827 - 1828 1829 1830

:
Subjects:     Archaeology - Architecture -
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Aves
Linnaeus, 1758

Orders

About two dozen - see section below

Birds (class Aves) are bipedal, warm-blooded, egg-laying vertebrate animals.
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Central America (Spanish: Centroamérica or América Central) is a central geographic region of the Americas. It is variably defined either as the southern portion of North America, which connects with South America on the southeast, or a region of
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North America is a continent [1] in the Earth's northern hemisphere and (chiefly) western hemisphere. It is bordered on the north by the Arctic Ocean, on the east by the North Atlantic Ocean, on the southeast by the Caribbean Sea, and on the south and west
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Anthem
Himno Istmeño


Capital
(and largest city) Panama City

Official languages Spanish
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Alaska

Flag of Alaska Seal
Nickname(s): The Last Frontier
Motto(s): "North to the Future"

Official language(s) None[1]
Spoken language(s) English 85.7%,
Native North American 5.
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The Nictitating membrane is a transparent or translucent third eyelid present in some animals that can be drawn across the eye for protection and to moisten the eye while also keeping visibility.
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Europe is one of the seven traditional continents of the Earth. Physically and geologically, Europe is the westernmost peninsula of Eurasia, west of Asia. Europe is bounded to the north by the Arctic Ocean, to the west by the Atlantic Ocean, to the south by the Mediterranean Sea,
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C. cinclus

Binomial name
Cinclus cinclus
(Linnaeus, 1758)

The White-throated Dipper (Cinclus cinclus
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Insecta
Linnaeus, 1758

Orders
Subclass Apterygota
* Archaeognatha (bristletails)
* Thysanura (silverfish)
Subclass Pterygota
* Infraclass Paleoptera (Probably paraphyletic)

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Anisoptera
Selys, 1854

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Families

Aeshnidae
Austropetaliidae
Cordulegastridae
Corduliidae
Gomphidae
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Trichoptera

Suborders [1]

Annulipalpia
Spicipalpia
Integripalpia

Caddisflies are small insect like creatures. (Order Trichoptera, from trich, hair, and ptera
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Salmon is the common name for several species of fish of the family Salmonidae. Several other fish in the family are called trout. Salmon live in both the Atlantic and Pacific Oceans, as well as the Great Lakes and other land locked lakes.
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diadromous fish travel between salt and fresh water. (Greek: 'Dia' is between) There are three types of diadromous fish:
  • anadromous fish live in the sea mostly, breed in fresh water (Greek: 'Ana' is up; The noun is "anadromy")
  • catadromous

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Bird migration refers to the regular seasonal journeys undertaken by many species of birds. Migrations include movements of varied distances made in response to changes in food availability, habitat or weather.
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An indicator species is any biological species that defines a trait or characteristic of the environment. For example, a species may deleniate an ecoregion or indicate an environmental condition such as a disease outbreak, pollution, species competition or climate change.
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Pollution is the introduction of pollutants (whether chemical substances, or energy such as noise, heat, or light) into the environment to such a point that its effects become harmful to human health, other living organisms, or the environment.
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IUCN Red List of Threatened Species (also known as the IUCN Red List or Red Data List), created in 1963, is the world's most comprehensive inventory of the global conservation status of plant and animal species.
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IUCN

International Organization
Founded October 1948, Fontainebleau, France
Headquarters Rue Mauverney 28, 1196 Gland, Switzerland

Key people Mr Valli Moosa
Ms Julia Marton-Lefèvre
Industry Natural resource conservation
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