markers for the formation of separate species. Next, the team plans to sample more birds and study whether being a hybrid affects reproductive success. "It's very cool that we could capture a real ...

New research reports, for the first time, the widespread occurrence of biofluorescence in birds-of-paradise. The study, based on specimens collected since the 1800s, finds biofluorescence in 37 of the ...

This healthy, 1-year-old male offspring of a rose-breasted grosbeak and scarlet tanager is the first-ever documented hybrid of its kind. The two species have such divergent nesting preferences ...

They found that individual birds from different species were flying near one another and calling out to each other using certain patterns, “more so than we could explain by chance,” Van Doren ...