How parasitic cuckoos lay host-matching eggs while remaining a single species

European cuckoos lay very different eggs depending on the host species. Genetic analyses have revealed how this adaptation is inherited without leading to speciation.

‘Common cuckoo’ sighting draws people from across the country as experts are left baffled over how the bird got to the US

Many people in other parts of the U.S. also have reported making special treks to the region in hopes of seeing it ...
The Daily Reflector

Birders going ‘cuckoo’ after unexpected sighting in New York City area

A bird sighting on New York's Long Island has avian enthusiasts flocking to the region in the hopes of spotting a feathered ...
Greater Long Island on MSN

Riverhead golfer’s stroke of luck leads to historic cuckoo sighting

The rare common cuckoo had never been documented in New York before. This marks just the fourth confirmed … Continued The ...