Harlequin Macaw Care A harlequin macaw requires a lot of time and attention. A large cage is necessary as are toys. If not properly cared for they may get sick. They are a hybrid of a blue and gold macaw and green-winged macaw. They have the color of their fathers, and it's impossible to tell the genders apart without a surgical or genetic sexing. Colors Macaws are among the most vibrant birds in the world. They