Note there are very few scientifically documented cases (I searched and found one in 1925) and all are from a different breed of goose, and the goose was the egg parent, not sperm parent in those cases that were investigated. Because this hybrid be rare.
If anyone wants to help this old OP a little, I've escaped an abusive situation and I'm trying to rebuild. I've got books and music for sale and I'll be adding another in a couple months
Vögel scheinen erstaunlich alt werden zu können. Kennt man ja von Papageien (Churchills Papagei hat noch Jahrzehnte später auf Hitler geschimpft). Aber auch ein Flamingo ist jetzt mit 70 Jahren erst gestorben.
It seems like Thomas' 40 was probably around the upper limit. I don't know what that New Yorker thing was about but it seems to be a ridiculous claim, like the people that say that humans could technically be immortal.
Lots of birds live surprisingly long lives though 40 is way longer than average for a greylag goose (which looking it up tend to live about 20 years though they can sometime see their 30th birthday).
I used to watch the geese and swans breeding on the Leeds Liverpool canal as I cycled to work. One year I saw a pair of swans nesting, and a white goose had attached itself to the family and would stand guard over the nest. Don't think it was blind, though, and no idea about its sexuality.
Hijacking this to mention that Black Swans have a very high rate of homosexuality observed, and have even been observed chasing away other swans for their eggs to raise them! Studies have shown that same sex pairs of swans have a much higher success rate at raising chicks!
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but otherwise meh, as per Kurt Vonnegut, we are on earth to fart around.
and boy is poasting some consummate around-fartery.
That is not how it works.
Big birds are generally longer lived than dogs -- look up parrots, for example.
you would want me dancing
This has everything going on to be mind melting at many levels