BANGKOK, THAILAND - SEPTEMBER 25: White cockatoos are photographed in their enclosure at the Pata Zoo on September 25, 2014 in Bangkok, Thailand. Located on the 6th and 7th floors of the aging Pata Department Store, the Pata Zoo is being criticized by animal rights activists for having cramped, inadequate facilities. A recent campaign to free Bua Noi, the zoo's only gorilla, has received over 35,000 signatures and the chief of Thailand's Department of National Parks, Wildlife and Plant Conservation has agreed to meet with activists to discuss the matter. (Photo by Taylor Weidman/Getty Images)
These may seem like a couple of very confused birds.
But these two yellow-crested cockatoos have been trained to bark like dogs.