Black-capped and mountain chickadees are closely-related species that co-occur in Boulder County but occupy different habitats based on elevation. The Boulder Chickadee Study leverages an extensive ...

The most widespread, numerous, and geographically variable chickadee, this bird brightens winter days at bird feeders and eagerly takes advantage of nest boxes. It is curious, with little or no ...

Luis Armando Albino, who was abducted on Feb. 21, 1951, is now a retired grandfather and Vietnam veteran. He was reunited with his family in June thanks to the persistence of his now 63-year-old n ...

Mountain chickadees in Boulder have evolved a different tune to avoid getting mixed up with their cousins, according to a new study led by the University of Colorado Boulder published Oct.

Luis Armando Albino was reunited with his family after a decades-long search in June A California man has been reunited with his family more than seven decades after he was abducted as a child.

Luis Armando Albino had been missing since his February 1951 abduction. At the time, he was playing in an Oakland, California, park with his older brother, Roger, and suddenly vanished.

The results provide real-time evidence for one of Charles Darwin's famous theories and shed light on how pressure from human activity can impact wildlife's evolution. Mountain chickadees, common ...

The chestnut-backed chickadee is curious about humans, and spends the postbreeding and winter seasons foraging noisily in mixed-species flocks. Unlike other parids (except for the mountain ...

Luis Armando Albino was 6 years old in 1951 when he was abducted while playing at an Oakland, California park. Now, more than seven decades later, Albino has been found thanks to help from an ...

Now an elderly man nearing 80, Luis Armando Albino was just six when he was lured from a park in Oakland, California, in 1951 by a woman promising to take him to a store to buy candy. Albino had ...

Luis Albino was playing in a park with his brother Roger when he was kidnapped Getty More than half a century after a 6-year-old boy was lured away and kidnapped while he played in an Oakland park ...

Luis Armando Albino went missing in February 1951 after being abducted in Oakland, California, when he was 6 years old. Now, he’s in his 70s and is still alive. Thanks to his niece Alida Alequin ...