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Anas platyrhynchos
it surprise me to when i read the information,and little passarines have also very low survival rates in the first months,they died also because of the cold in the nigth,they have a body temperature bigger than us and to mantain that during the nigth they spend lots of energy and in the morning they need to feed themselfs in the firsts 30 minutes or even less than that ,sparrows are in top of this the house cats predation and the human,that clean the roofs,etc...i dont know if this information i read is completly exact(the number) but i know that it's very low
in little birds the rate of surviving chicks is very low,one in 20 for the house sparrow,imagine they make at list 3 postures each one with 6\7 eggs and in the end only one or two survive,nature is very hard in what concern surviving
these are very elusive. They hide their nests pretty well. In case of Mallard both male and female are involved in parenting. But unfortunately. predators are always around these chicks. There was a chubby red shouldered hawk on a tree right next to these.
i have to find duck chicks to spotting,since i was a kid i love this cute fellows and i never have the oportunity of seeing a mother duck with the little ones live.only in films