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On Dolphins as a Gateway to Animal Rights

Animal Person

The way I see it, there are three camps on this one: People who think that dolphins or Great Apes or chimps could function as a gateway to other animals getting rights. and chickens don't?) You could be for or against animal rights and believe the gateway theory. They also have distinct personalities (and chimps don't? and dogs don't?

Dolphins 100
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What happened with Archaeopteryx?

10,000 Birds

Among apes, many are probably larger than their ancestors (gorillas are blown-up versions of a chimp-like ancestor) but some are not (gibbons are probably smaller than their common ancestor with chimps). Body size would be an example of a trait with too much lability in many animals.

Mammals 253