Page 44 - Hand rearing birds second

Table 2.3 Key characteristics of representative NON-PASSERINE species, arranged taxonomically.
Development and
Species Feet (Tarsus/toes) Weight (g) Integument Beak / Mouth Vocalizations Other

DUCKS, GEESE, SWANS (Anatidae): Anisodactyl toe arrangement and palmate. Precocial young.
Canada Goose Dark gray to black. Hatch: 68–103 Down: thick, yellow to Just hatched: pale Locator and Iris: blue‐gray at
(Branta Adult: 2640–4858 greenish yellow with olive blue‐gray to blackish recognition calls: hatch, then dark
canadensis) Weight/size pattern colors and dark gray, rounded at the single peeps or brown.
varies by round cap on crown. tip. Egg tooth light warbling trills, can
become loud and
and prominent.
Plumage becomes “dirty”
Refs: 1, 4, 7 (bna. subspecies. olive‐gray with distinctive intense when
cangoo.02) cheek patch. distressed.
Wood Duck Brownish yellow Hatch: 19–28 Down: thick, light yellow Just hatched: gray A few days before Iris: brown or
(Aix sponsa) and boldly patterned base color, darker on back brown upper hatch, give “click” grayish brown,
with black webbing. Adult: F: 635, with a few yellow patches mandible; lower dull calls. When alarmed, Leave nest after last
give high‐pitched peep. egg hatches. Jump
yellowish pink. Nail
(shoulders and rump),
Refs: 1, 4, 7 M: 681 buffy yellow under and on reddish brown, pale Will hiss at predators to ground from
(bna.169) face. Crown brown with pink toward tip. Pale or make shriek sound nest cavity in tree.
defined dark stripe from yellow egg teeth to alert others.
eye to back of head, no eye with lower bilobed.
stripe between eye and bill.
Yellow lighter than
mallard.
Mallard Orange with some Hatch: 31.8 Down: fully covered, thick, Just hatched: Quiet pips or pipi Iris brown. Leave
(Anas gray‐brown yellow base color. Head: pink‐beige with (contentment), loud nest 13–16 hrs after
platyrhynchos) patterning. Adult: F: 1095, brown forehead, ear spot, black spotting and peep (distress). Air‐ hatching, tended by
M: 1246 and eye stripe that runs black tip. Egg tooth. alarm call (after 1 hen only,
week): shrill pii.
from base of bill through
Refs: 1, 4, 7 eye to back of head. Brown
(bna.658) patches on back and wings.
Hybrids or domestics may
have odd coloring.

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