Behavior
Passer sparrows build an untidy nest, which, depending on species and nest site availability, may be in a bush or tree, a natural hole in a tree, in a building or in thatch, or in the fabric of the nest of species such as the White Stork. The clutch of up to eight eggs is incubated by both parents typically for 12–14 days, with another 14–24 more days to fledging.
Passer sparrows are primarily ground-feeding seed-eaters, though they also consume small insects especially when breeding. A few species, like the House Sparrow and Northern Grey-headed Sparrow scavenge for food around cities, and are almost omnivorous. Most Passer species are gregarious and will form substantial flocks.
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Famous quotes containing the word behavior:
“One cannot demand of a scholar that he show himself a scholar everywhere in society, but the whole tenor of his behavior must none the less betray the thinker, he must always be instructive, his way of judging a thing must even in the smallest matters be such that people can see what it will amount to when, quietly and self-collected, he puts this power to scholarly use.”
—G.C. (Georg Christoph)
“The fact that behavior is normal, or consistent with childhood development, does not necessarily make it desirable or acceptable...Undesirable impulses do not have to be embraces as something good in order to be accepted as normal. Neither does childrens behavior that is unacceptable have to be condemned as bad, in order to bring it under control.”
—Elaine Heffner (20th century)
“Temperament is the natural, inborn style of behavior of each individual. Its the how of behavior, not the why.... The question is not, Why does he behave a certain way if he doesnt get a cookie? but rather, When he doesnt get a cookie, how does he express his displeasure...? The environmentand your behavior as a parentcan influence temperament and interplay with it, but it is not the cause of temperamental characteristics.”
—Stanley Turecki (20th century)