Pineapples and Whales recently created an infographic about parallel evolution in urban anole populations! It's based on this study in Nature Ecology & Evolution: Parallel selection on thermal physiology facilitates repeated adaptation of city lizards to urban heat islands.
How to Catch Squirrels in Cities
Urban fieldwork is its own beast. Sure, compared to remote sites you might have regular access to bathrooms and food but there are different situations to be aware of or capitalize on when handling animals in the public eye.