Monarch蝴蝶在墨西哥幸存下来, 早期迹象显示季节过冬, 但俄克拉荷马的旱灾威胁着他们的春季迁徙。 Monarch butterflies survived a cold snap in Mexico, with early signs of a strong overwintering season, but drought in Oklahoma threatens their spring migration.

墨西哥西部生物圈保留地的王冠蝴蝶在1月北极爆炸中幸存下来, 科学家报告说寒冷防线没有到达他们身处的交汇地点。 Monarch butterflies in western Mexico’s Biosphere Reserve survived a January arctic blast, with scientists reporting the cold front did not reach their overwintering sites. 虽然君主可以承受低至18°F的温度,如果干燥的话,但冷冻条件下的湿度在过去几年中已导致人口大量下降。 Though monarchs can withstand temperatures as low as 18°F if dry, moisture during freezing conditions has caused major population drops in past years. 早期报告显示,今年的过冬季节十分强劲,可能比近年要高。 Early reports suggest this year’s overwintering season has been strong, with potentially higher numbers than recent years. 预计君主将在几个星期后开始向北移徙,到4月初抵达俄克拉荷马州。 Monarchs are expected to begin migrating north in a few weeks, with arrivals in Oklahoma by early April. 去年秋天在俄克拉荷马州贴上标签的一些蝴蝶 已经在现场被发现 Some butterflies tagged in Oklahoma last fall have already been spotted at the sites. 然而,俄克拉荷马州持续的干旱威胁着他们的返回,因为降雨对于他们赖以生存的花蜜丰盛的花朵至关重要。 However, a persistent drought in Oklahoma threatens their return, as rainfall is crucial for the nectar-rich flowers they depend on. 保护者敦促种植本地的、产蜜的植物,支持其恢复。 Conservationists urge planting native, nectar-producing plants to support their recovery.