Page 69 - Whales and Dolphins
P. 69
ﺍﻟﺪﻻﻓﻴﻦ
ﺩﻭﻟﻔﻴﻦ ﺴﻮﺱ
)Risso’s Dolphin (Grampus griseus
KINGDOM ﳝﺘﺎﺯ ﺑﻌﺎﺩﺓ ﺭﻓﻊ ﺍﻟﺬﻳﻞ ﺑﺸﻜﻞ ﻋﻤﻮﺩﻱ ﺧﺎﺭﺝ ﺳﻄﺢ ﺍﳌﺎء ﻭﺿﻌﻴﺔ ﺍﻟﻮﻗﻮﻑ
Animalia ﻋﻠﻰ ﺍﻟﺮﺃﺱ ﳌﺪﺓ ٣٠ﺛﺎﻧﻴﺔ
PHYLUM ﺫﻭ ﺟﺴﻢ ﻗﻮﻱ ﺍﻟﺒﻨﻴﺔ ،ﻭﻳﺘﻨﺎﻗﺺ ﺗﺪﺭﳚﻴﺎ ﻣﻦ ﺍﻟﺰﻋﻨﻔﺔ ﺍﻟﻈﻬﺮﻳﺔ ﺇﱃ ﻓﺼﻮﺹ ﺍﻟﺬﻳﻞ
Chordata ﺗﻮﺟﺪ ﺧﻄﻮﻁ ﻃﻮﻟﻴﺔ ﻣﺘﻘﺎﻃﻌﺔ ﺑﻴﻀﺎء ﻋﻠﻰ ﻣﻌﻈﻢ ﺃﺟﺰﺍء ﺟﺴﻢ ﺍﻟﺪﻭﻟﻔﲔ
ﺍﻟﻜﺒﲑ ﺍﻟﺴﻦ
CLASS ﺭﺃﺳﻪ ﻣﺘﻮﺍﺯﻱ ﺍﳉﺎﻧﺒﲔ ﻭﻳﻔﺘﻘﺮ ﺇﱃ ﻣﻨﻘﺎﺭ ﻭﺍﺿﺢ ،ﻭﺑﻪ ﺃﺧﺪﻭﺩ ﳝﺘﺪ ﻣﻦ
Mammalia ﻣﻘﺪﻣﺔ ﺍﻟﺮﺃﺱ
ORDER ﻭﺍﺳﻊ ﺍﻻﻧﺘﺸﺎﺭ ﲝﺮ ﻋﻤﺎﻥ ﻭﲝﺮ ﺍﻟﻌﺮﺏ ﻭﺑﺎﻗﻲ ﲝﺎﺭ ﺷﺒﻪ ﺍﳉﺰﻳﺮﺓ ﺍﻟﻌﺮﺑﻴﺔ.
Cetartiodactyla ﻃﻮﻟﻪ ﻳﺼﻞ ﺇﱃ ٣٬٥ﻡ
FAMILY
Delphinidae
GENUS
Grampus
LC Least Concern
)(2018
© H.Al Rawahi, 2021
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