This article reports the first record of white-faced ibis (Plegadis chihi) nesting in Arizona and describes observations during the nesting period. On 21 June 2000, a colony of approximately 75 nests was discovered on an island of bulrush (Scirpus) in Cibola Lake, a backwater of the Colorado River within Cibola National Wildlife Refuge in southwestern Arizona. Based on date of first hatching, egg laying began about 15 June 2000. Ibis nests were monitored weekly. Overall, nesting success in this colony was low, with a fledging rate of slightly less than 1 young per pair.
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