To be linguistically or syntactically correct, Canada geese are never ever Canadian geese, it is always Canada geese with an upper case 'C' and a lower case 'g.'
They are not Canadian geese, they are Canada geese ...... honk-honk-honk! ...
So, to get this back on topic here, was it a 12-lb, 16-year old Canada goose that flew into the jet engine on Air Force Two, or some other large bird?
"Canada geese can live for 10-24 years and .... are monogamous with most couples staying together all their lives. If one dies, the other may find a new mate." ...... Wikipedia