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Ibis 291

Figure­18.1­ Hatchling White-faced Ibis (WFI) chick, still wet from hatching. Source: photo courtesy of
International Bird Rescue.

Figure­18.2­ Ibis nest with sticks as substrate inside an Animal Intensive Care Unit (AICU).

rounded at hatch and will decrease as the chick uses the internal yolk after hatching. Many yolk
sac infections are noticed up to a week after hatch and need quick medical attention. Seek veteri-
nary care if the chick appears to be lethargic or if the umbilicus is open or discolored.

Older Chicks
Chicks acquired at older ages may be injured and have medical issues that require treatment. As
with all chicks of any species, initial care involves warmth, then hydration, then beginning a feed-
ing plan (Figure 18.2).

­ Common­Medical­Problems

Hydration­and Thermoregulation
Environmental conditions largely determine the hand-rearing outcome for ibis. Maintenance of
normal hydration is important during the hand-rearing process and critical during the first 2 weeks
of life. Thermoregulation is equally important. Maintaining a stable temperature within the