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Eurasian tree sparrow

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The tree sparrow (Passer montanusLatin pronunciation:) is a passerine bird in the sparrow family with a rich chestnut crown and nape and a black patch on each pure white cheek. The sexes have similar plumage, and young birds are duller versions of the adult. This sparrow breeds across much of temperate Eurasia and Southeast Asia and has been introduced elsewhere, including the United States, where it is known as the Eurasian tree sparrow or German sparrow to differentiate it from the native American tree sparrow.

White storkWhite storkSpecies of birdThe white stork (Ciconia ciconia) is a large bird in the stork family, Ciconiidae. Its plumage is mainly white, with black on the bird's wings. Adults have long red legs and long pointed red beaks, and measure on average 100–115 cm (39–45 in) from beak tip to end of tail, with a 155–215 cm (61–85 in) wingspan.American tree sparrowAmerican tree sparrowThe American tree sparrow (Spizelloides arborea), also known as the winter sparrow, is a medium-sized New World sparrow. It breeds in Alaska and Northern Canada and winters in Southern Canada and the Contiguous United States. It is the only member of the genus Spizelloides. TaxonomyFirst described in 1810 by Alexander Wilson, it was included by John James Audubon in the first edition of The Birds of America under the name Canada bunting.Old World sparrowOld World sparrowOld World sparrows are groups of small passerine birds forming the family Passeridae. They are also known as true sparrows, a name which is also used for a particular genus of the family Passer. They are distinct from both the New World sparrows of the family Passerellidae and from a few other birds such as the Java sparrow of the family Estrildidae sharing their name.PlumagePlumagePlumage (from Latin'feather'), or feathering, is a layer of feathers that covers a bird and the pattern, colour, and arrangement of those feathers. The pattern and colours of plumage differ between species and subspecies and may vary with sex and age classes. Within a few species, there can be different colour morphs.PasserinePasserinePerching birds of the order PasseriformesA passerine () is any bird of the orderPasseriformes (; from Latinpasser 'sparrow' and formis '-shaped'). Sometimes known as perching birds, passerines generally have an anisodactyl arrangement of their toes (three pointing forward and one back), which facilitates perching.United StatesUnited StatesCountry primarily in North AmericaThe United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic consisting of 50 states and a federal capital district, Washington, D.C. The 48 contiguous states border Canada to the north and Mexico to the south, with the semi-exclave of Alaska in the northwest and the archipelago of Hawaii in the Pacific Ocean.Southeast AsiaSoutheast AsiaSoutheast Asia is the geographical south-eastern subregion of Asia, consisting of the regions that are situated south of China, east of the Indian subcontinent, and northwest of mainland Australia, which is a part of Oceania. Southeast Asia is bordered to the north by East Asia, to the west by South Asia and the Bay of Bengal, to the east by Oceania and the Pacific Ocean, and to the south by Australia and the Indian Ocean.Eurasian magpieEurasian magpieThe Eurasian magpie or common magpie (Pica pica) is a resident breeding bird throughout the northern part of the Eurasian continent. It is one of several birds in the crow family (corvids) that are designated as magpies, and it belongs to the Holarctic radiation of "monochrome" magpies.Clutch (eggs)Clutch (eggs)A clutch of eggs is the group of eggs produced by birds, amphibians, or reptiles, often at a single time, particularly those laid in a nest. In birds, destruction of a clutch by predators (or removal by humans, for example the California condor breeding program) results in double-clutching. The technique is used to double the production of a species' eggs, in the California condor case, specifically to increase population size.Crown (head)Crown (head)The crown is the top portion of the head behind the vertex. The anatomy of the crown varies between different organisms. The human crown is made of three layers of the scalp above the skull. The crown also covers a range of bone sutures, and contains blood vessels and branches of the trigeminal nerve. The structure of the human crown provides a protective cavity for the brain and optimizes the crown's ability to ensure the neocortex is safe.NapeNapeThe nape is the back of the neck. In technical anatomical/medical terminology, the nape is also called the nucha (from the Medieval Latin rendering of the Arabicنُخَاع, 'spinal marrow'). The corresponding adjective is nuchal, as in the term nuchal rigidity for neck stiffness. In many mammals, the nape bears a loose, non-sensitive area of skin, known as the scruff, by which a mother carries her young by her teeth, temporarily immobilizing it during transport.Palearctic realmPalearctic realmThe Palearctic (or Palaearctic) is the world's largest biogeographic realm. Confined largely to the Eastern Hemisphere, it stretches across Europe and Asia, north of the foothills of the Himalayas, and North Africa. The realm consists of several bioregions, including Europe, the Mediterranean Basin, North Africa, North Arabia, Western, Central, North and East Asia. The Palaearctic realm also has numerous rivers and lakes, forming several freshwater ecoregions.

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