In her MSc research Lauren Hepburn found the most amazing thing – if our neighbourhood has more bird species in it, we like it better, *even though we are not consciously aware of the birds*! I guess this means urban planners could surreptitiously improve peoples’ happiness by taking measures to increase bird diversity in the city.
Here’s a link to Carleton’s media story on this study:
https://gradstudents.carleton.ca/2018/grad-research-a-birds-eye-view-of-our-neighborhoods/