Rock Pigeon (Columba livia) lives in urban cities across Worldwide, including Europe, Asia, Africa, and the Americas. Its conservation status is Least Concern.
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Up to 120 million rock doves roam the planet, with Europe alone hosting between 17 million and 28 million individuals.
A rock dove's weight swings between 238 g and 380 g, but overfed city birds can tip the scales even higher. This lightweight frame lets them sprint off a perch with a noisy wing-clap that signals danger to the flock; the faster the wing beats, the louder the alarm. Such rapid take-offs help the whole group gauge threat intensity, a collective vigilance that boosts survival in open urban squares and cliff ledges alike.
Instead of a salt gland, rock doves rely on kidneys that filter blood, reabsorb ions and water, and excrete uric acid, an energy-costly waste that still saves water by releasing nitrogen with modest fluid loss. Their nephrons feature a loop of Henle that creates a counter-current exchange, making the collecting duct's fluid more concentrated than the blood.
Dark-feathered pigeons pack more melanin, which not only gives them a glossy grey-black sheen but also lets their feathers bind trace metals more effectively, buffering the toxic load common in polluted cities. This pigment advantage may help urban rock doves tolerate higher metal concentrations than lighter birds, illustrating a subtle chemical armor hidden in their plumage.
Rock doves can breed any time of year, laying two white eggs that both parents incubate for 17 to 19 days. After hatching, the helpless squabs drink crop milk for the first few days.
Sources
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RangeWorldwide, including Europe, Asia, Africa, and the Americas
HabitatUrban cities
DietSeeds and grains
About the Rock Pigeon
In the midst of bustling cities, the rock pigeon emerges as a paradoxical figure, its humble demeanor belied by an unyielding adaptability that has allowed it to thrive in the most unlikely of environments. With a soft rustle of wings, it takes to the skies, its gentle flight a stark contrast to the cacophony of urban life that surrounds it, as it navigates the concrete canyons with an effortless ease. As it alights upon a windowsill or scavenges for crumbs in a crowded square, the rock pigeon reveals itself to be a quietly remarkable creature, its very ubiquity a testament to its enduring resilience.
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