Two giraffes tied a knot in a Rio de Janeiro zoo in Brazil much to the delight of zoo officials and visitors. It says they have been courting for a month and finally decided to tie the knot? Huh? How? I understand the zookeeper can study the animals' 'courtship' for a month and gauge they'e in love. But how did he/she know that they decided to tie the knot? The giraffes communicated their interest to the zookeeper? If so, how? Someone, please enlighten me on this!
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