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Naturalized Immigrants – Reflections of the Pure World


By Jim Achieve

Be taught 100 Widespread Valley Birds is a photograph weblog collection highlighting the 100 commonest Valley hen species.

Submit #28 within the Be taught 100 Widespread Valley Birds collection. (Species 47, & 48/100 + 1 BONUS hen)

The next two species (plus the Bonus Hen) have established ranges within the Central Valley of California. They’ve been added to the California Hen Information Committee’s Official California Hen Record and are thought of Naturalized Exotics by eBird.

European Starling #47

The European Starling (Sturnus vulgaris) is a medium-sized, stocky hen with a brief tail, chunky physique, and sharp, pointed invoice. They’ve shiny black feathers with iridescent purple and inexperienced tones, and white spots on the ideas of their wings. Their invoice and legs are yellow within the breeding season, and switch a darker colour in winter.

Within the Central Valley of California, European Starlings are a standard sight in each city and rural areas. They had been launched to North America within the late nineteenth century, and have since turn into one of the vital plentiful and widespread hen species within the continent. They’re extremely adaptable and are capable of thrive in a variety of habitats, together with agricultural fields, parks, and residential areas.

European Starlings are omnivorous and feed on quite a lot of meals, together with bugs, fruits, and seeds. They’re recognized to kind massive flocks, typically numbering within the 1000’s, and generally is a nuisance to farmers as they will injury crops. Regardless of this, they’re thought of an essential a part of the ecosystem as they play a task in controlling insect populations and dispersing seeds.

Home Sparrow #48

The Home Sparrow (Passer domesticus) is a small, chunky hen with a brief, conical invoice and a brownish-gray plumage with black and chestnut markings. Males have a particular black bib and white cheeks, whereas females are duller with a plain gray-brown breast. They’ve a wingspan of about 7 inches and weigh roughly 1 oz.

Within the Central Valley of California, Home Sparrows are generally present in city and suburban areas, in addition to in agricultural fields and grasslands. They’re opportunistic feeders, consuming quite a lot of meals akin to seeds, bugs, and scraps of human meals. They sometimes breed from early spring by way of summer time, constructing their nests in man-made constructions akin to buildings, bridges, and birdhouses. Females lay 4-6 eggs, which hatch after roughly two weeks of incubation.

Home Sparrows are recognized for his or her aggressive conduct in direction of different birds, typically competing for assets and displacing native species. Regardless of their abundance and flexibility, their populations have declined in recent times attributable to elements akin to habitat loss and adjustments in agricultural practices.

BONUS BIRD – Scaly-breasted Munia

Picture by Rajukhan Pathan Artistic Commons License

The Scaly-breasted Munia (Lonchura punctulata), also called the Nutmeg Mannikin, is native to India and Southeast Asia. It has been added to the California Hen Information Committee’s Official California Hen Record and has established populations within the Central Valley of California. These birds have a particular look, with a scaly sample on their breast and a brownish-grey plumage on their again and wings. In addition they have a black head with a white patch behind the attention, and a brief conical invoice.

Scaly-breasted Munias are social birds that kind massive flocks and are sometimes seen foraging on the bottom for seeds and grains. They’re additionally recognized to go to hen feeders and are interested in millet and different small seeds. These birds breed all year long, with males performing courtship shows to draw females. They construct their nests in bushes and bushes, utilizing grasses, twigs, and different plant supplies.

Scaly-breasted Munias are thought of an invasive species and may have detrimental impacts on native hen populations and agricultural crops. Regardless of their standing as an invasive species, Scaly-breasted Munias are fascinating birds to watch and may present an attention-grabbing topic for birdwatchers and nature lovers within the Central Valley of California.

Earlier posts from the Be taught 100 Widespread Valley Birds collection:




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