USA - bird/goose sp. in San Francisco (1 Viewer)

[egirl4ebird]

Was in Golden Gate Park yesterday and spotted this - unlike any species I was able to find on the books. There was also a second bird which looked like a light brown version with similar bill and leg coloring. The other had uniformish coloring with lighter body and a dark head with a distinct color change between them, most similar to a juvenile greater white front goose. Could this be an albino version? Random pet varietal? Would love any opinions or help, thank you!!

 

[Hotspur]

It's a domestic Mallard variant

 

[egirl4ebird]

It's a domestic Mallard variant

love it thank you!! Noticeably larger than the mallards around it, must have gotten some bulking in the breeding process

 

[Southern Frogmouth]

love it thank you!! Noticeably larger than the mallards around it, must have gotten some bulking in the breeding process

We have domestic Mallards on Tring Reservoirs in the UK and some are easily twice the size of normal wild Mallards. Given they are bred for eggs and also to be eaten their increased size due to selective breeding is not a surprise.