An article in the Atlantic that speculates upon animals and consciousness. Not that I have any doubt, but it gives some interesting examples with amusing human correlations - for examples, fruit flies, when faced with "dim mating prospects", will seek out alcohol, and trout have been observed fake orgasms to presumably divert the sperm of inadequate suitors...
Link: https://www.theatlantic.com/magazine/archive/2019/03/what-the-crow-knows/580726/