Page 47 - Hand rearing birds second

Development and
Species Feet (Tarsus/toes) Weight (g) Integument Beak / Mouth Vocalizations Other
PIGEONS AND DOVES (Columbidae): Anisodactyl toe arrangement. Altricial young.
Rock Pigeon Pink to slate. Nails Hatch: Skin: pink. Down: long, Leathery with During feeding, make Eyes open: 4–5 d.
(Columba livia) grayish black. 15.2 silky, light to bright yellow smooth texture. “squeaky” peeps Iris: medium or
on head and body, may Pinkish to dark gray, become louder and grayish brown.
light at tip.
have reddish tint.
more persistent as
Ref: 7 (bna.13) Note: Band‐tailed Adult: F: 340, chick develops.
Pigeon squabs have M: 369
yellow feet.
Mourning Olive gray turning Hatch: 5–6 Skin: blackish gray (olive) Dark gray, leathery Weak peeps at first Eyes partly open:
Dove (Zenaida geranium pink. or yellowish. Down: off‐ and smooth, lumpy become louder with d 4–5, fully open
macroura) Adult: F: 115, white or cream. 2–3 d: around nares. Sharp growth. 6–7 d.
M: 123 primaries and tail feathers egg teeth upper and
Refs: 1, 7 developing. 8–9 d: crown lower beak tip. Gape:
(bna.117) feathers appear. gray in squabs.
CUCKOOS AND ROADRUNNERS (Cuculidae): Zygodactyl toe arrangement. Altricial young.
Black‐billed Slate gray. Very Hatch: 7.4 Very alert and active. Skin: Slate gray. Sounds like buzzing Eyes: lids and
Cuckoo strong. shiny black. Down: gray, Mouth: lining red or insect while begging. eye‐ring yellow,
(Coccyzus Adult: 50.9 “hair‐like” on dorsal pink, with “complex At 6–7 d when partly open
erythropthalmus) surface and thighs. pattern of large, disturbed, makes 2 d, fully open 4 d.
d 6: looks like “porcupine” creamy‐white grating “bark” call. Leave nest: ~6–7 d,
Refs: 1, 7 as long contour feathers papillae,” on palate unable to fly until
(bna.587) emerge. d 7: appears fully and tongue. 21–24 d.
feathered.
Note: hatchling Yellow‐
billed Cuckoo has white
down.
Greater Black. Hatch: 14 Altricial, but very alert and Black (pink at Young chick makes Gapes when
Roadrunner active. Skin: black, has oily commissure) and rasping, buzzing, and touched. Leave
(Geococcyx Adult: 376 appearance. Down: white. triangular, narrower hissing sounds with nest: 11 d. Fly:
californianus) by fledgling. Black mouth open. Juveniles 17–18 d.
tongue tip. Mouth: make calls similar to
Refs: 1, 7 lining red with 4 adult female “whine.”
(bna.244) white markings and May have critical
white hard palate. period during which
Rictus red. they learn calls.
(Continued)

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