Affiliation: Adam Mickiewicz University
- Surmacki A, Nowakowski J. Soil and preen waxes influence the expression of carotenoid-based plumage coloration. Naturwissenschaften. 2007;94:829-35 pubmed..This is the first experimental study conducted on wild birds demonstrating that, in addition to pigment concentration, the presence of preen waxes and soils on feathers may contribute to variation in coloration...
- Surmacki A, Ożarowska Nowicka A, Rosin Z. Color polymorphism in a land snail Cepaea nemoralis (Pulmonata: Helicidae) as viewed by potential avian predators. Naturwissenschaften. 2013;100:533-40 pubmed publisher..Our study provides the first insight into how potential avian predators view Cepaea nemoralis morphs. The results are discussed in light of multiple hypotheses explaining selective predation on Cepaea nemoralis morphs. ..