Page 54 - Hand rearing birds second
P. 54

Table 2.3  (Continued)

                                               Development and
              Species   Feet (Tarsus/toes)  Weight (g)  Integument  Beak / Mouth  Vocalizations  Other
              VULTURES (Cathartidae): Anisodactyl toe arrangement. Altricial young.
              Turkey Vulture  Gray at first   Hatch: 60  Down: long, white and   Beak: dark, short,   Lacks syrinx but able   Eyes: may be open
              (Cathartes aura)  (washed with feces),     fluffy, shorter on head.   hooked, with large   to make sounds.   at hatch, iris gray.
                        then pinkish.  Adult: 2006  Face, throat, and crop areas  nares that are   Hatchling hisses   Leave nest:
              Ref: 7 (bna.339)                 black and bare. Down   perforate.  weakly at first, then   approximately 60 d
                                               thickens and turns “dingy    variations of hissing   after hatching with
                                               white” by 25 d. Traces of    sounds when   short flights at first,
                                               down left at 60 d. Head      disturbed.   extended flight at
                                               turns red by first spring.                70–80 d.
              HAWKS, EAGLES, KITES (Accipitridae): Anisodactyl toe arrangement, raptorial feet. Altricial or semi‐altricial young.
              White‐tailed   Yellow.  Hatch: 17.4  Down: 1st coat is vinaceous  Black, hooked. Gape:  Unknown. When   Iris: brown (red in
              Kite (Elanus                     buff on upper, buffy white   red.  threatened gape and   adult).
              leucurus)              Adult: 346  on chin and sides, lighter   raise wings but make   Leave nest: 1st
                                               on lower back sides. 2nd     no sound.    flight ~ 4–5 wk.
              Refs: 1, 7                       down (d 7), gray or bluish‐               post‐hatch.
              (bna.178)                        gray and longer. Fully
                                               feathered 40 d. Juvenile
                                               plumage retained at least
                                               4 months.
              Golden Eagle   Pale pink colored at   Hatch: 100  Down: 1st down short,   Black, hooked,   Hatchling: chirp.   Eyes: partly open at
              (Aquila   hatch, then yellow.      white or with pale gray. 2nd  raptorial, with   Nestling calls usually   hatch but cannot
              chrysaetos)  Feathered to toes.  Adult: F: 4627,   (d 6) long, thicker, white   prominent egg tooth.  for food begging:   see well. Feed
                                     M: 3900   down.           Cere: yellowish   chirps, cheeps,   selves 40 d (food
              Refs: 1, 7                                       white in nestling.  chitters. 15 d: tsik.   brought by
              (bna.684)                                                     25 d: seeir, then loud   parents). Fly:
                                                                            pssa or tsycuk tsycuk.  63–70 d.































        0004509154.INDD   36                                                                  06-01-2020   06:34:54
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