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Male sparrow |
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Female sparrow |
Speed: House Sparrow: 46 km/h
Lifespan: House sparrow: 3 years.
Sparrows are generally social
birds, with many species breeding in loose colonies and most species occurring in flocks during the non-breeding season.
They form large roosting
aggregations in the non-breeding seasons that contain only a single species. Sites are chosen for the cover and include trees, thick bushes, and reed beds.
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Water bathing |
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Dust bathing and water bathing |
Hundreds of involved in social activities and participating at once and followed by preening and group singing.
Auditory sensitivity ranging from 2.0 kHz up to 8.0 kHz. above 8 kHz. The auditory sensitivity rate falls about 70dB/octave.
The reason behind to Evanish sparrows.
- Rapid changes in the lifestyles of humans in urban areas are increasingly incompatible with the conservative lifestyles of sparrows.
- Non-availability of tiny insects as food for sparrows due to loss of vegetation around our modern buildings.
- Reason for the dislocation of sparrows is due to excessive usage of mosquito repellents indoors and insecticides outdoors, our concrete architecture’s with no nesting sites and usage of air-conditioning which disallow sparrows to enter or exit points.
- Increases in noise from automobiles, produces high-frequency birds are sensitive enough to control the frequency. Along with noise rapid air pollution coming out from automobiles.