Why Do Birds Fly South For The Winter Biology Funny what did the 3 little pigs do as they were running away from the big bad wolf who tried to destroy their houses.
Why do birds fly south for the winter biology Whether or not a bird flies south for the winter depends a lot on what food the species eats.
Why do birds fly south for the winter biology. It seems logical that the reason many birds spend the winter months in more pleasant southern locations might have something to do with the warmth of the sun. Birds fly south in the winter in search of alternate food sources and even though their summer home might be nicer they return home in the spring when their usual food stocks are replenished. Michael reed professor of biology responds. Birds fly south in the winter because they enjoy the warm weather and it is warmer down south.
During our winters many food sources such as flying insects and nectar are not available. You can think about migration in terms of food energy economics. They re going there because of better weather which mean easier access to food. This migration expense is paid by the bird because the winter food supplies in its summer range are not adequate to ensure its survival.
Like most migratory animals the primary reason for moving is food. The main reason for bird migrations is the availability of food. One of the most logical reasons on why birds migrate to southern locations during winter can be because it s warmer there. Of course they have prepared themselves for this long journey by storing more fat in their bodies that become their energy sources when flying.
Birds can and do survive extremely harsh winters. Why do birds fly south. Food habitat and weather conditions are the reasons why birds fly south during the winter. Some birds did visit fields of nonnative cool season grasses but a greater variety spent the winter in fields comprised of native plant species.
This month s faculty expert j. When they feel the change in the weather conditions then their migration starts. However this is not exactly the reason why because birds can certainly survive harsh winters.
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