Page 48 - Hand rearing birds second

Table 2.3 (Continued)
Development and
Species Feet (Tarsus/toes) Weight (g) Integument Beak / Mouth Vocalizations Other

NIGHTHAWK, POORWILLS, AND NIGHTJARS (Caprimulgidae): Anisodactyl toe arrangement. Semiprecocial young.
Common Small weak legs. Hatch: 5.8–6.1 Down: soft, dark gray, paler Bill: tiny, pale mouse Unknown. Hatch with eyes
Nighthawk Brown turning underside. d 5: pins emerge gray, turns darker open.
(Chordeiles black, then Adult: 79.3 on wings. d 13: appears 3–10 d, purplish gray Leave nest: 18 d
minor) plumbeous fully feathered, primaries at 17 d. Very wild (can walk around),
(d 17), metal gray partially unsheathed. Very gape. 23–23 d, short
Refs: 1, 7 d 20. dark gray malar stripes. flights.
(bna.213)
Common Light grayish‐ Hatch: no Down: sparse, buff, darker Small and black with Young raised in Hatch with eyes
Poorwill brown. Small information. dorsally. tubular nostrils. captivity did not make open. Fed
(Phalaenoptilus relative to body size. Gape very large. sounds until 25 d regurgitated insects
nuttallii) Adult: 47.7 of age. by adults. d 2: can
move short
Refs: 1, 7 (bna.32) distances. Leave
nest: 20–23 d.
SWIFTS (Apodidae): Pamprodactyl toe arrangement. Altricial young.
Chimney Swift Tarsus very short, Hatch: 1.0–1.5 Skin: pink. Down: none. d Small, weak, light Hatchling begging Eyes open: d 14–16.
(Chaetura toes strong with 4: pins visible under skin in gray. Mouth: drab sounds: weak, Leave nest: 28–30 d,
pelagica) gray claws, can cling Adult: 23.6 tracts, pierce through skin interior, no gape squeaking sounds, at 3 fly well.
vertically as d 5–6. Wings unsheathed flanges. d cheh, cheh, cheh; 5 d
Refs: 1, 7 hatchling. Hallux 10–12 and contour feathers louder chuh, chuh,
(bna.646) rotates forward. ~ d 12–14. Has small wing chuh. At 5 wk. make
claw near alula, helps cling “chipper call” of adult.
on vertical surface. Disturbance calls of
young a rasping raah,
raah, raah.
HUMMINGBIRDS (Trochilidae): Anisodactyl toe arrangement. Altricial young.
Anna’s Tarsus is short; toes Hatch: <1 Skin: black. Down: “smoky Short and squat. Sharp Tzip call is most Eyes open: 5 d.
Hummingbird are very tiny. fuzz” in 2 lines of tracts Mouth interior frequent at any age. Begging call: high
(Calypte anna) Adult: 4.3 running along the spine. yellow. Begging sound is a thin seet. Leave
7 d: numerous pinfeathers. high, short seet call. nest: 23–24 d.
Refs: 1, 7 13–14 d: head is feathered, Dependent on
(bna.226) flutters wings. 18–19 d: female parent
extends tongue. 1–2 wk.

0004509154.INDD 30 06-01-2020 06:34:54