Nesting success in Darwin’s small tree finch, Camarhynchus parvulus: evidence of female preference for older males and more concealed nests

Age-assortative mating has been documented among birds, but there is little evidence of direct benefits to females that pair with older males. In this study, I examined nest concealment in Darwin’s small tree finch and tested the following predictions: (1) nest concealment increases with male age, (2) females prefer males that build well-concealed nests, and […]