Perilaku Harian Buaya Muara (Crocodylus porosus, Schneider 1801) di Pusat Penyelamatan Satwa Jogia

The aim of this research was to find out the daily behavior of Crocodylus porosus in Jogja Animal Rescue Center (PPSJ). The daily behavior included feeding habit, social behavior, basking and movement. This research was using Focal Animal Sampling Method and observed for four months. As individual targets were male and female dominant of C. porosus, Monti and Bunda. The Runs test showed that the behavior of C. porosus had a pattern in daily activities. Based on Mann-Whitney U test, both male and female of C. porosus did not have any difference in feeding habit (U:16; nl: 6; n2:6; p>0.05), social behavior (U:29; n1: 8; n2:8; p>0.05), basking (U=12; n1:5; n2:5; p>0.05) and movement (U:16; n1:6; n2:6; p>0.05). Key words: Behavior, daily activity, Crocodylus porosus, Monti and Bunda, PPS