2026/01/25
2026/01/18
Potamarcha congener 溪神蜻蜓 20260118
During winter, Potamarcha congener gather in dense roosting clusters on dry branches. These dragonflies remain largely inactive until the morning sun warms their surroundings, typically dispersing and taking flight only once the ambient temperature rises to about 20 °C
2026/01/15
Potamarcha congener 溪神蜻蜓 20260115
Winter roosting aggregation of Potamarcha congener on the same tree over several consecutive days in Taiwan.
2026/01/11
2026/01/08
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