Canada Goose phylogeny
In the phylogenetic tree of the Canada Goose, it can be seen that its common ancestor emerged 2.09 million years ago during the quaternary period. That lead to the next and most recent ancestor who emerged 1.12 million years ago and it is. from him that the Canada Goose and the Hawaiian Goose species emerged. Due to the species reliance on swimming and flying, it developed key adaptations. One such adaptation is the development of oil glands on its body that would keep the feathers dry allowing the bird to fly after being in a wet environment, vital for travel and escape. In terms of common adaptation between the goose and other. animals observed in our project, there is not much due to the fact that the animals are both from the mammal and bird taxa. The only common adaptations found are not applicable to the group as a whole, only to some; this is simply due to the diversion of the species more than 100 million years ago.
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