The robin is a very popular bird in North America. One of...
<div>The robin is a very popular bird in North America. One of the things they eat is warms coming from nature like grass and dirt.</div> www.audubon.org
<div>Robins live in trees. They often nest in trees too. They also nest on porches and window sills. </div> www.hotel-r.net
<div>Robins migrate because the ground freezes. Their favorite food is earthworms and they can't get them when it is cold outside. Because of the cold, they also can't get caterpillars so their food source is limited.</div> c1.staticflickr.com
<div><span style="font-size:16px;">American Robin Facts: Characteristics, Life Cycle, Ecology</span></div><div><br></div> www.learner.org American Robin Facts: Characteristics, Life Cycle, Ecology
<div><span style="font-size:16px;">Robin eats worm in slow motion</span></div><div><br></div><div>At a park today, I spotted a robin pecking in the ground. Sure enough, it had found an earthworm. It played with the worm several times, shaking it around (p...</div><div><br></div> www.youtube.com At a park today, I spotted a robin pecking in the ground. Sure enough, it had found an earthworm. It played with the worm several times, shaking it around (p...
<div>Organization: </div><div>The robin has a one lung whereas a human has two. The cardiovascular system delivers oxygen to body cells and also maintains body temperature. The robin has a central nervous system which contains the brain, spinal chord and nerves. </div><div><br></div>
<div>Growth and Development: For a regular robin the hatching period is about 14 days. Chicks need two or three weeks to begin their first flight. The average lifespan of a robin is about two years.</div>
<div>Reproduction:</div><div>The breeding range of a robin bird starts from Alaska, Mexico and goes to Canada and northern part of Florida. They like shady trees and lawns for breeding purposes.In addition, the breeding period lasts from April to June.</div>
<div>Response to stimuli: Robin birds are responsible for starting viruses that are very dangerous to humans. Robins are hunted by snakes, Blue Jays, squirrels and many other animals. Hawks and cats are responsible for eating adult Robins.</div>
<div>Homeostasis: Robins fluff up their feathers to increase the amount of air next to their body for more protection from the cold. Even when standing in snow, a robin's feet don't get cold because their circulation is so fast that the blood has no time to chill. A robin preens its long, outer contour feathers to keep them clean,oiled and waterproof. </div>
<div>Energy: Food gives them fat and energy so that they can feed, move and stay alive. The food fuels the robin's metabolism. One of the foods they eat in the winter are berries. In winter when water freezes, robins have to eat snow to replenish their fluids. </div>

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