The feet of the black-capped chickadee coming to your feeder this morning are those of a passerine, a perching bird. About half of the birds in the world are passerines. They have very flexible ...

Focus: Using molecular data to understand a large radiation of passerine birds Funding: Marie Curie Fellowship We are using molecular data to understand a large radiation of passerine birds, the core ...

The passerine bird is a common host for cuckoos in northeastern China. Daurian redstarts breed twice per season -- once before and once after cuckoos arrive in the region. Cuckoos generally avoid ...