Perilaku Harian Pecuk Hitam (Phalacrocorax Sulcirostis) Saat Musim Berbiak Di Suaka Margasatwa Pulau Rambut, Jakarta
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Black Cormorants (Phalacrocorax sulcirostis) Daily Behavior ofreeding Season in Pulau Rambut Wildlife Sanctuary, Jakarta was observed during February–June 2001. There were 10 pair cormorant selected for study daily behavior in theirs nest, that is nest construction, take care of child, body maintenance, locomotion and social behavior. The nests were marked with textile band. 265 hours were spent to study behavior. Body maintenance (2709 point), locomotion (1430 point), take care of child (1352 point) and social interaction (1307 point) were in the greatest quantities and turn over brood (53 point) were smaller quantities than the others behavior. Nest contruction and take care of child were done by two parents. Nest contruction were spent 7 - 12 days. Turn over ensued to three time in 11 hour i.e 09.00 – 10.00 AM, 12.00 – 13.00 PM dan 16.00 – 17.00 PM child of cormorant were eaten four time in 11 hour i.e 06.00 - 07.00 AM, 09.00 – 10.00 AM, 13.00 – 14.00 PM and 16.00 – 17.00 PM.