The loggerhead shrike, a small grey, black and white bird, has declined by 92% since then.
大头伯劳鸟是一种体型较小,羽毛为灰色、黑色和白色的鸟。这种鸟的数量自那时起已经减少了92%。
But a hatchling loggerhead turtle would know just where to paddle-by reading the Earth's magnetic field.
然而红海龟幼龟却知道该往哪里爬——通过辨识地球磁场。
A group of 33 young Green, Kemp's Ridley, Hawksbill and Loggerhead sea turtles returned to paddle the briny waters of the Gulf of Mexico on Oct. 21.
在10月21日,33只年轻的绿海龟、坎皮海龟、玳瑁和蠵龟都爬回了墨西哥海湾的大海。
Loggerhead turtles take almost half a century to reach maturity, say scientists.
赤蠵龟要花上近半个世纪才达到成熟阶段,科学家说。
Defensive behavior: Loggerhead turtles are easy to be frightened. They will ingest only when they can identify clearly what the food is.
防御行为:蠵龟易受惊吓,只有对食物和杂物分辨清楚才进行摄食。
Loggerhead turtles sense latitude by the planet's magnetic field intensity, and new research finds they're good at determining their longitude too, probably via the field's inclination.
红海龟可以通过地球磁场强度来辨识纬度。新的研究发现,借助地球磁场方向,它们在辨识自己所在的经度上也很在行。
Loggerhead turtles sense latitude by the planet's magnetic field intensity, and new research finds they're good at determining their longitude too, probably via the field's inclination.
红海龟可以通过地球磁场强度来辨识纬度。新的研究发现,借助地球磁场方向,它们在辨识自己所在的经度上也很在行。
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