9 CFR § 145.61
Definitions
November 6, 2020
Except where the context otherwise requires, for the purposes of this subpart the following terms shall be construed, respectively, to mean:
Chicks. Newly hatched ostriches, emus, rheas, or cassowaries.
Ostrich. Birds of the species Struthio camelus, including all subspecies and subspecies hybrids.
[63 FR 40010, July 27, 1998, as amended at 65 FR 8019, Feb. 17, 2000]