58 cm; Male 1300 g, Female 1100 g. The familiar duck of parks and farm ponds. All have orange legs and feet, and a blue speculum bordered with thin black and broader white bands front and back. Breeding male has dark glossy green head, chestnut breast, pale grey body, black rump and undertail; bill yellow-green. Female is streaked and spotted brown and buff on body and wings; bill brownish grey with orange at base, sides and tip. Eclipse male like female but has greyer head and neck, with remnants of green on crown and nape, and chestnut wash on breast. Juvenile similar to female. Variable plumage because of interbreeding with Grey Duck. Feeds by dabbling on water surface or by upending; also grazes and eats cereals. Rises nearly vertically from water and flies with fast shallow wingbeats. Female call the well-known ''quack, quack''; male call a soft high-pitched ''quek''. Habitat: Wetlands, estuaries, rivers, farm ditches, parks and cereal crops. Breeding: Jul-Jan.

Male 43 cm, 300 g; Female 47 cm, 500 g. Fast-flying raptor with rapid beats of long pointed wings; also soars and glides. Adult has head, sides of face and vertical patch (like drooping moustache) below eye dark brownish black, faint rufous eyebrow; nape, back, wings and tail bluish black, faintly barred buff. Base of bill and chin white, throat and sides of neck buff streaked dark brown; breast and belly dark brown narrowly barred white; thigh and undertail rufous. Bill black, greyer at base; cere, legs and feet yellow; eye dark brown. Juvenile distinctly darker brown and less boldly marked. Bush Falcon (North and northwestern South Is) as above; eastern form (eastern South I) larger and paler; southern form (southwestern South, Stewart and Auckland Is) intermediate, more rufous on Auckland I. Often perches high in trees or on a rock, swoops to catch prey. Call a loud rapid ''kek-kek-kek''. Habitat: Forests and bush patches, open tussockland of South I. Juveniles wander to cities, orchards, riverbeds and offshore islands. Breeding: Sep-Feb.