If the sky is the ocean then what is a bird?
In that analogy a bird would be a fish.  There are a lot of similarities between birds and fish.  They both have vertebrates and are part of the animal kingdom and belong to the phylum Chordata.  They both consume nutrients to survive.
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(Optional) Context information is below.
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Answer the following query.
If the sky is the ocean then what is a bird?

user
In that analogy a bird would be a fish.  There are a lot of similarities between birds and fish.  They both have vertebrates and are part of the animal kingdom and belong to the phylum Chordata.  They both consume nutrients to survive.
assistant