نهنگ خلبان

نهنگ خلبان
Size of short-finned pilot whale compared to an average human.
وضعیت حفاظت
رده‌بندی علمی
فرمانرو: جانوران
شاخه: طنابداران
رده: پستانداران
راسته: آب‌بازسانان
زیرراسته: آب‌بازسانان دندان‌دار
تیره: دلفینیان
سرده: Globicephala
گونه‌ها

نهنگ خلبان باله‌کوتاه
نهنگ خلبان باله‌بلند

Green: long-finned range; blue: short-finned

نهنگ‌ راهنما[۳] به اعضای سرده گوی‌سرها از میان آب‌بازسانان گفته می‌شود. نام این سرده (Globicephala) از دو واژه لاتین globi به معنای گوی و بالن و cephala به معنای سر می‌آید. این سرده شامل دو گونه زیر است:

این جانوران گونه‌ای دلفین هستند و به دلیل جثه به نسبت بزرگشان با نام نهنگ خوانده می‌شوند.[۴] طول این دو میان ۵ تا ۷ متر است و وزنی برابر ۱ تا ۳ تا تن دارند. به دلیل بزرگ بودن بخش melon در سر این جانوران، سر آن‌ها شکلی گرد به خود گرفته است.

منابع

  1. Taylor, B. L., Baird, R., Barlow, J., Dawson, S. M., Ford, J., Mead, J.G., Notarbartolo di Sciara, G., Wade, P. & Pitman, R.L. (2008) Globicephala melas. In: IUCN 2011. IUCN Red List of Threatened Species. Version 2011.1.
  2. Taylor, B. L., Baird, R., Barlow, J., Dawson, S. M., Ford, J., Mead, J. G., Notarbartolo di Sciara, G., Wade, P. & Pitman, R.L. (2008) Globicephala macrorhynchus. In: IUCN 2011. IUCN Red List of Threatened Species. Version 2011.1.
  3. «راهنما pilot». Department of coservation.
  4. Mammal species of the world: a taxonomic and geographic reference (به انگلیسی), Baltimore: Johns Hopkins University Press, 2005, p. ۷۴۳-۷۲۳

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