Though the subject, the San Francisco folktail (Ischnura gemina), is not about the species occurring in HK, it introduces the life of damselfly concisely. Specially, it's quite difficult for us to observe the life of damsel at nymph/larvae/naiad stage, so the footage about the submerged livelihood is quite precious. Besides, lots of close-up images allow us to see the features of damselfly clearly. I, therefore, think it a very nice video to watch. Let alone it's very well shot and the run time is only of 2 min 26 sec.
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