Green-winged Teal Anas crecca Linnaeus       Field Guide IDs: NG-78; G-50; PE-52; PW-pl 14; AE-pl 105; AW-pl 121; AM (1)- 154 Nest Location Nest Type Eggs & Mating System Dev. & Parental Care Primary & 2ndary Diet.. Foraging Strategy F I: 21-23 DAYS PRECOCIAL 2 F 8-9 (5-15) MONOG F: 34 DAYS F AQUATIC INVERTS DABBLES BREEDING: Densely vegetated inland freshwater lake, marsh, pond, pool, shallow stream. 1 brood. DISPLAYS: See: Duck Displays. NEST: Well concealed in clump of tall grass, forbs, brush, or at base of log or shrub. Occ in vicinity of burn, occ far from water. Nest of soft grass, forbs, twigs and leaves. Lined with finer materials and increasing amounts of down. EGGS: Cream/light olive buff. 1.8" (46 mm). DIET: In summer: aquatic invertebrates, tadpoles; seeds of emergent and aquatic veg. In fall: grain, grass, seeds, plant shoots. Young feed on insects, other invertebrates, veg gleaned from water's edge, aquatic veg. CONSERVATION: Winters s to Baja, c Mexico and Bahamas. According to Audubon (1840) individual gunners in w shot 6 dozen/day upon first arrival of migrants. NOTES: Young have fastest growth rate of all N.A. ducks. Male usu abandons nest before incubation begins. Female covers eggs when off nest. STANFORD. NOTES: Uncommon to fairly common winter visitor at Lagunita, usually seen foraging in shallows at the edge of the lake. ESSAYS: Bird Communities and Competition; Metallic Poisons; Feathered Nests; Dabblers vs. Divers. REFERENCES: Bellrose, 1976; Gooders and Boyer, 1986; Hepp, 1985.