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Eurasian tree sparrow, Passer montanus, นกกระจอกบ้าน

The Eurasian tree sparrow (Passer montanus) 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 are similarly plumaged, and young birds are a duller version of the adult. This sparrow breeds over most of temperate Eurasia and Southeast Asia, where it is known as the tree sparrow, and it 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 unrelated American tree sparrow. Although several subspecies are recognised, the appearance of this bird varies little across its extensive range.

The Eurasian tree sparrow's untidy nest is built in a natural cavity, a hole in a building or the large nest of a European magpie or white stork. The typical clutch is five or six eggs which hatch in under two weeks. This sparrow feeds mainly on seeds, but invertebrates are also consumed, particularly during the breeding season. As with other small birds, infection by parasites and diseases, and predation by birds of prey take their toll, and the typical life span is about two years.

The Eurasian tree sparrow is widespread in the towns and cities of eastern Asia, but in Europe it is a bird of lightly wooded open countryside, with the house sparrow breeding in the more urban areas. The Eurasian tree sparrow's extensive range and large population ensure that it is not endangered globally, but there have been large declines in western European populations, in part due to changes in farming practices involving increased use of herbicides and loss of winter stubble fields. In eastern Asia and western Australia, this species is sometimes viewed as a pest, although it is also widely celebrated in oriental art.

The Eurasian tree sparrow is 12.5–14 cm long, with a wingspan of about 21 cm and a weight of 24 g, making it roughly 10% smaller than the house sparrow. The adult's crown and nape are rich chestnut, and there is a kidney-shaped black ear patch on each pure white cheek; the chin, throat, and the area between the bill and throat are black. The upperparts are light brown, streaked with black, and the brown wings have two distinct narrow white bars. The legs are pale brown, and the bill is lead-blue in summer, becoming almost black in winter.

This sparrow is distinctive even within its genus in that it has no plumage differences between the sexes; the juvenile also resembles the adult, although the colours tend to be duller. Its contrasting face pattern makes this species easily identifiable in all plumages; the smaller size and brown, not grey, crown are additional differences from the male house sparrow. Adult and juvenile Eurasian tree sparrows undergo a slow complete moult in the autumn, and show an increase in body mass despite a reduction in stored fat. The change in mass is due to an increase in blood volume to support active feather growth, and a generally higher water content in the body.

Listen to the Eurasian tree sparrow
Sound from http://www.xeno-canto.org/

The Eurasian tree sparrow has no true song, but its vocalisations include an excited series of tschip calls given by unpaired or courting males. Other monosyllabic chirps are used in social contacts, and the flight call is a harsh teck. A study comparing the vocalisations of the introduced Missouri population with those of birds from Germany showed that the US birds had fewer shared syllable types (memes) and more structure within the population than the European sparrows. This may have resulted from the small size of the founding North American population and a consequent loss of genetic diversity.

The Eurasian tree sparrow's natural breeding range comprises most of temperate Europe and Asia south of about latitude 68°N (north of this the summers are too cold, with July average temperatures below 12 °C) and through Southeast Asia to Java and Bali. It formerly bred in the Faroes, Malta and Gozo. In South Asia it is found mainly in the temperate zone. It is sedentary over most of its extensive range, but northernmost breeding populations migrate south for the winter, and small numbers leave southern Europe for North Africa and the Middle East. The eastern subspecies Passer montanus dilutus reaches coastal Pakistan in winter and thousands of birds of this race move through eastern China in autumn.

Eurasian tree sparrow, Passer montanus, นกกระจอกบ้าน

The Eurasian tree sparrow has been introduced outside its native range, but has not always become established, possibly due to competition with the house sparrow. It was introduced successfully to Sardinia, eastern Indonesia, the Philippines and Micronesia, but introductions to New Zealand and Bermuda did not take root. Ship-carried birds colonised Borneo. This sparrow has occurred as a natural vagrant to Gibraltar, Tunisia, Algeria, Egypt, Israel, and Dubai.

In North America, a population of about 15,000 birds has become established around St. Louis and neighbouring parts of Illinois and southeastern Iowa. These sparrows are descended from 12 birds imported from Germany and released in late April 1870 as part of a project to enhance the native North American avifauna. Within its limited US range, the Eurasian tree sparrow has to compete with the house sparrow in urban centres, and is therefore mainly found in parks, farms and rural woods. The American population is sometimes referred to as the "German sparrow", to distinguish it from both the native American tree sparrow species and the much more widespread "English" house sparrow.

House sparrow VS Eurasian Treesparrow

In Australia, the Eurasian tree sparrow is present in Melbourne, towns in central and northern Victoria and some centres in the Riverina region of New South Wales. It is a prohibited species in Western Australia, where it often arrives on ships from Southeast Asia.

Despite its scientific name, Passer montanus, this is not typically a mountain species, and reaches only 700 m in Switzerland, although it has bred at 1,700 m in the northern Caucasus and as high as 4,270 m in Nepal. In Europe, it is frequently found on coasts with cliffs, in empty buildings, in pollarded willows along slow water courses, or in open countryside with small isolated patches of woodland. The Eurasian tree sparrow shows a strong preference for nest-sites near wetland habitats, and avoids breeding on intensively managed mixed farmland.

When the Eurasian tree sparrow and the larger house sparrow occur in the same area, the house sparrow generally breeds in urban areas while the smaller Eurasian tree sparrow nests in the countryside. Where trees are in short supply, as in Mongolia, both species may utilise man-made structures as nest sites. The Eurasian tree sparrow is rural in Europe, but is an urban bird in eastern Asia; in southern and central Asia, both Passer species may be found around towns and villages. In parts of the Mediterranean, such as Italy, both the tree and the Italian or Spanish sparrows may be found in settlements. In Australia, the Eurasian tree sparrow is largely an urban bird, and it is the house sparrow which utilises more natural habitats.

Conservation status
Eurasian tree sparrow, Passer montanus, นกกระจอกบ้าน
Least Concern (IUCN 3.1)
International Union for Conservation of Nature. Retrieved 26 November 2013

From Wikipedia, the free encyclopedia


Sighted: (Date of first photo that I could use) 8 February 2016
Location: Bang Poo, Bangkok

Thank's to Nick Upton at www.thaibirding.com for HOT birding tip. His web page is a ONE STOP for everything you need for bird watching in Thailand. There are reviews of the birding sites with maps and information.

And if you like Nick Upton's web page you will also like www.norththailandbirding.com I have used this page together with Nick Upton's page when planning my birding tours. Excellent reviews and information about the birding sites.

I also got the Thai names of the birds from www.norththailandbirding.com. There is a bird check list with all the names in English and Thai. And of course also the Scientific Name. Down load the birdlist in Microsoft Excel format at www.norththailandbirding.com Or down load the Excel sheet by clicking HERE

Among others I have used Peter Ericsson's web page Birds of Thailand These galleries contain 668 species of the Birds of Thailand and have been of a great help to identify some of the birds as the birds in Thailand and India are, well, many of them are the same.

I have had most help from my friend, the bird pal I met at Suan Rot Fai. Sending pictures of birds I have not been able to identify to him via Line. 3 minutes later he and he have managed to identify most of the birds I have had problems with. THANKS! Visit his web page m☥lever for his beautiful pictures. His page seems to be down as per 2017!

PLEASE! As I'm a first time birdwatcher bear in mind that some of the bird can be wrongly named. I have bought book and I confirm on the internet to get the right identity on the birds I take pictures off. But there can still be mistakes.


Eurasian tree sparrow, Passer montanus, นกกระจอกบ้าน
Eurasian tree sparrow - นกกระจอกบ้าน - 8 February 2016 - Bang Poo, Bangkok

Eurasian tree sparrow, Passer montanus, นกกระจอกบ้าน
Eurasian tree sparrow - นกกระจอกบ้าน - 8 February 2016 - Bang Poo, Bangkok

Eurasian tree sparrow, Passer montanus, นกกระจอกบ้าน
Eurasian tree sparrow - นกกระจอกบ้าน - 8 February 2016 - Bang Poo, Bangkok

Eurasian tree sparrow, Passer montanus, นกกระจอกบ้าน
Eurasian tree sparrow - นกกระจอกบ้าน - 8 February 2016 - Bang Poo, Bangkok

Eurasian tree sparrow, Passer montanus, นกกระจอกบ้าน
Eurasian tree sparrow - นกกระจอกบ้าน - 8 February 2016 - Bang Poo, Bangkok

Eurasian tree sparrow, Passer montanus, นกกระจอกบ้าน
Eurasian tree sparrow - นกกระจอกบ้าน - 8 February 2016 - Bang Poo, Bangkok

Eurasian tree sparrow, Passer montanus, นกกระจอกบ้าน
Eurasian tree sparrow - นกกระจอกบ้าน - 25 February 2016 - Sukhumvit 23 in Bangkok
Testing my new Canon 2x III extender

Eurasian tree sparrow, Passer montanus, นกกระจอกบ้าน
Eurasian tree sparrow - นกกระจอกบ้าน - 24 November 2016 - Lumpini Park, Bangkok

Eurasian tree sparrow, Passer montanus, นกกระจอกบ้าน
Eurasian tree sparrow - นกกระจอกบ้าน - 24 November 2016 - Lumpini Park, Bangkok

Eurasian tree sparrow, Passer montanus, นกกระจอกบ้าน
Eurasian tree sparrow - นกกระจอกบ้าน - 18 June 2017 - Bang Sue, Bangkok

Eurasian tree sparrow, Passer montanus, นกกระจอกบ้าน
Eurasian tree sparrow - นกกระจอกบ้าน - 18 June 2017 - Bang Sue, Bangkok

Eurasian tree sparrow, Passer montanus, นกกระจอกบ้าน
Eurasian tree sparrow - นกกระจอกบ้าน - 18 June 2017 - Bang Sue, Bangkok

Eurasian tree sparrow, Passer montanus, นกกระจอกบ้าน
Eurasian tree sparrow - นกกระจอกบ้าน - 18 June 2017 - Bang Sue, Bangkok



PLEASE! If I have made any mistakes identifying any bird, PLEASE let me know on my guestbook



                  



                  

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