Man of the forest
Among primates, orangutans are unique in having two completely different types of adult males: The dominant ‘flanged males’ (like the one in the photo) that develop cheek pads (flanges) plus a large inflatable throat sac and become twice as heavy as the females, and the ‘un-flanged males’ that have an appearance and size as the females. This is due to higher levels of androgens (hormones such as testosterone) in the flanged males. Borneo.


Mogens Trolle

Print Only: $550.00
Framed Print: $839.78
Print Size: 1236x990 mm
Frame Size: 1420x1170 mm
Paper Type: Hahnemühle Photo Rag® Baryta 315gsm
Frame Colour: White
Exhibit: POS MT 162 04

 

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Man of the forest


Among primates, orangutans are unique in having two completely different types of adult males: The dominant ‘flanged males’ (like the one in the photo) that develop cheek pads (flanges) plus a large inflatable throat sac and become twice as heavy as the females, and the ‘un-flanged males’ that have an appearance and size as the females. This is due to higher levels of androgens (hormones such as testosterone) in the flanged males. Borneo.


تتميز قردة الأورانجوتان عن غيرها من الرئيسيات بأنها تشمل نوعين مختلفين من الذكور البالغين: "الذكور ذات الشفة" المسيطرة (مثل الذكر في الصورة) التي تتميز بوسائد خدّيها وحلقها الكبير المنتفخ ويزيد حجمها على الأنثى بمعدل مرتين من حيث الوزن، أما "الذكور دون شفة" فهي تبدو كالإناث ويوازي حجمها حجم الإناث. وهذا ناجم عن مستويات الأندروجين العالية (هورمونات مثل التستوستيرون) لدى الذكور ذات الشفة. بورنيو.

Photographer:
Mogens Trolle

Print Only: $550.00

Framed Print: $839.78

Print Size: 1236x990 mm

Frame Size: 1420x1170 mm

Exhibit: POS MT 162 04

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