Birds of same feathers flock together essay

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Why do we assume these are lifting surfaces? Modern birds have stiff feathered appendages that serve a purpose in flying, but are not lifting surfaces. We call them tails. Perhaps the long tails of Archeopteryx and other early species did not give the kind of stability necessary for flight and needed to be supplemented by hindleg feathers in early birds. As the tail shortened and became more adapted as a control surface for flight, the leg feathers became superfluous and disappeared.
Another possibility that seems not to have been explored is that these birds are not the main branch of avian evolution, but a side branch. Perhaps no bird on the main line had feathered legs. Just because most fossil birds come from China doesn’t mean that these birds represent the line ancestral to modern birds. Perhaps modern bird evolution occured somewhere else – less well represented in the fossil record – while the feathered-leg Chinese birds represent a side branch that prospered for a time in China, but then died out – perhaps in competition with unfeathered-leg birds. This possibility appears not to have been explored.
It is disappointing when either the scientist doesn’t explore all the possibilities and ‘goes off’ on a pet theory or the reporter does not report on discounted possibilities, only on the accepted explanation because he is ‘writing down’ to his audience. Give us credit for a little intelligence, please!

Birds do not use touch as extensively as humans but it is still a vital sense, particularly for flight. Birds are incredibly sensitive to changes in air temperature, pressure and wind speed, and those changes are transferred down the feathers to extensive nerves in the skin. Some birds have special feathers – rictal bristles – around the bill that may also serve a purpose for touch when feeding on insects or drumming into wood, providing extra sensitivity around the bill and face. Mutual preening is an important part of courtship behavior for many bird species and it may be related to a sense of touch as well, since the birds are manipulating one another's feathers.

Warmth is essential to human life. We thrive in warm climates and moderate our homes and clothing in cold climates to insulate and protect us from the elements. While some people may think that using our fellow animals’ evolutionary adaptations ( tough skin , warm feathers and fur ) for our own benefit is the price of our nomadic wanderings, I happily disagree. Along with our fellow animals we have also evolved. We have gained the intellect and ability to source, grow and create alternatives to our past animal use that are ethical and cruelty free .

Birds of same feathers flock together essay

birds of same feathers flock together essay

Warmth is essential to human life. We thrive in warm climates and moderate our homes and clothing in cold climates to insulate and protect us from the elements. While some people may think that using our fellow animals’ evolutionary adaptations ( tough skin , warm feathers and fur ) for our own benefit is the price of our nomadic wanderings, I happily disagree. Along with our fellow animals we have also evolved. We have gained the intellect and ability to source, grow and create alternatives to our past animal use that are ethical and cruelty free .

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