Table 1.

Characteristics of free-roaming domestic cats in a zoo in Rio de Janeiro, Brazil (RIOZOO) examined during 2002–2004

Characteristic	2002	2003	2004
Total cats evaluated	44	47	33
Adults	41	43a	32b
Kittens (<24 weeks)	3	4	1
Gender
Females	21	27	22
Males	23	20	11
No. sampled for the first time	44c	25	6

^aIncludes two adults listed as a kitten in 2002.

^bIncludes one adult listed as a kitten in 2002.

^cEight of these cats were previously sampled in a different study in 2001 (Mendes-de-Almeida et al., 2004) but are considered as first time sampled for this study.