![]() After all, there is only one of each bird in Singapore, both escapees. Such aberrant behaviour probably arises out of desperation. And a female bird would only enter the cavity and seal herself in after copulation. This would be a distinct possibility, considering that both are females. But there has not been any attempt of the Rhinoceros sealing herself inside the cavity. ![]() There is a report of someone seeing the Rhinoceros entering the cavity, to move out soon after. The pair has been visiting the tree during February to May, as this is supposed to be the breeding period. The Great is perching on the tree trunk below, waiting for her decision. The image on the left shows the Rhinoceros, with her head inside the cavity, checking the interior. There was always a pair, probably breeding nearby, that followed the hornbills around. In the image below you can see a Greater Racket-tailed Drongo ( Dicrurus paradisus) harassing the Rhinoceros. Only then would the Rhinoceros fly off to check the potential nest cavity. Possibly, this was to reassure her that “he” would keep on feeding her should she be sealed up in the cavity during egg incubation and after (should this happen). “He” would then fly back to join the Rhinoceros on a nearby branch and delicately fed the latter with a fig. The pair would meet in the morning and/or evening and the Great (above right, taking on the role of a male) would always check on the cavity. ![]() However, through the generosity of Meng and Melinda Chan, we are able to showcase here more of what actually happened around the old albizia tree ( Paraserianthes falcataria). rhinoceros), both female, at Eng Neo has already been told. The courtship behaviour of a Great ( Buceros bicronis) and a Rhinoceros Hornbill ( B.
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