Just before Christmas, two backyard birders in Michigan were in for the ultimate surprise–a yellow Northern Cardinal. Arlene ...

Scientists estimate the male northern cardinal’s genetic mutation that makes it yellow also makes it a 1-in-10 million bird ...

Twitchers have flocked from around the country to catch a glimpse of the 'extremely rare' American yellow warbler - a breed ...

Vibrant yellow visitor last seen in UK in 2017 attracts bird enthusiasts to New Hythe from as far away as Yorkshire ...