Funny you should say this as we have had a very high mortality rate with our canaries this year same sort of thing.
We have had 3 live babies this year out of numerous eggs.Live babies that have made it Imean.Lots make it out of the nest but then die or die just as they get feathered.
Not sure of the reason but would be interesting to hear others opinions.
It is not like we do not know what we are doing either as have bred many healthy canaries.

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