Reproduction cycle of small birds [incredible!]

It is impressive to see the construction of the nest from scratch, what a great job that the birds must do to be able to have their babies! And then patiently incubate for so many days, feed them, etc... 

The growth of the chicks is tremendously fast too! What is clearly so that they can fend for themselves as quickly as possible and thus avoid being captured by predators, also that it is probably not a good idea to stay in one place for a long time since sooner or later a predator can find the nest 

It happens that many animals have such short reproduction cycles for these reasons, since they must avoid being easy prey... In addition, they will surely have seen how some young are born, such as gazelles, horses, cows, among others that are born and can walk within a few minutes and run (to escape predators) 

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Were you lucky enough to see any birth up close? It is a fascinating experience (if you are not too impressed by the blood and fluids that arise from such a moment😅)