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Report on the group mating of Asian keelback snake Hebius vibakari Boie 1826(Squamata; Colubridae) in South Korea

한국산 대륙유혈목이 Hebius vibakari의 집단 번식 사례 보고

  • Received : 2019.02.18
  • Accepted : 2019.03.20
  • Published : 2019.03.31

Abstract

The objective of this study was to report the group mating of Asian Keelback snake, Hebius vibakari, in South Korea. On May 20, 2009, the group mating of H. vibakari was observed in the Maeng-gol do, Jindo-gun, Jeollanam-do, in the rocky area (107 m above sea level) on the ridge of the island. Six female and five male snakes made a form of mating behavior called "mating ball". Two couples showed "tail-wrestling" which is the copulation behavior in snake species. During the mating, the temperature and humidity were $25.7^{\circ}C$ and 59%, respectively. The result of this study was the first case report of the group mating in H. vibakari, a rare reptile.

본 연구에서는 한국산 대륙유혈목이 Hebius vibakari의 집단 번식 사례를 보고하고자 한다. 2009년 5월 20일 전라남도 진도군 맹골도리에 위치한 맹골도에서 대륙유혈목이의 집단 번식이 관찰되었다. 맹골도 섬 능선 위에 형성된 바위지대(고도 107 m)에서 번식이 관찰되었다. 대륙유혈목이 암컷 6개체와 수컷 5개체는 번식 행동 중 하나인 교미공(mating ball)을 형성하고 있었다. 그 중 2 쌍은 뱀류에서 관찰되는 짝짓기 행동인 "꼬리 뒤엉킴(tail wrestling)" 중이었다. 집단 번식이 관찰된 당시의 기온과 습도는 각각 $25.7^{\circ}C$와 59%였다. 본 연구의 결과는 희귀 파충류인 대륙유혈목이의 집단 번식을 국내 최초로 보고한 사례이다.

Keywords

References

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