Pretty Privilege for birds: more attractive species are studied more often than drab ones.
Summary and interview: https://www.salon.com/2025/04/23/bird-bias-new-research-reveals-drab-species-are-studied-less_partner/
Original paper (not open access): https://royalsocietypublishing.org/doi/abs/10.1098/rspb.2024.2846?af=R