Description[edit] The largest parrot by length in the world, the hyacinth macaw is 100 cm (3.3 ft) long from the tip of its tail to the top of its head and weighs 1.2–1.7 kg (2.6–3.7 lb). Each wing is 388–425 mm (15.3–16.7 in) long. The tail is long and pointed. Its feathers are entirely blue, lighter above.