133 



2S 



20 



15 



lO 



NUMBBR TAXA SIGHTED 



20 40 60 80 lOO 



CENSUS NUMBER 



TAXA 

 -H— MAMMALS O BIRDS — ^ 



120 



140 



— ^— TOTAL 



Figure 4-2. Cumulative number of avian (7) and mammalian (16) taxa sighted during 121 censuses in 

 1990. 



yucatanensis, combined; see Appendix L for scientific and common names), kinkajous (31 sightings), 

 and coatis (17 sightings). The plain chachalaca was the most frequently sighted bird (64 sightings). 

 Other birds rarely were sighted. 



Animals not sighted or not present . Several taxa of mammals and birds, that potentially could 

 have been taken for subsistence purposes, were not observed during the censuses. Some of these taxa 

 were observed at other times during the study (see Chapter 3 for an inventory of game species) or their 

 presence was reported by local residents, while other taxa were expected to occur in the area, based on 



