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Male giraffes assess female fertility by tasting the female's urine to detect oestrus, in a multi-step process known as the flehmen response. [90] [98] Once an oestrous female is detected, the male will attempt to court her.
Males are nearly 89–105 cm (35– 41 + 1 ⁄ 2 in) tall, and the shorter females 80–100 cm (31–39 in); the head-and-body length is typically between 140 and 160 cm (55 and 63 in). Males weigh between 31 and 52 kg (68 and 115 lb); females are lighter, weighing 28–45 kg (62–99 lb). The species is sexually dimorphic. The tail, that ends ...
In okapi, the male's ossicones are smaller in proportion to the head, and taper towards their tips, forming a sharper point than the comparatively blunt giraffe ossicone. Whereas female giraffes have reduced ossicones, female okapi lack ossicones entirely. The morphology of ossicones in the extinct relatives of giraffes and okapi varies widely.
A Penn State researcher has been trying to get to the bottom of the age-old question of why giraffes have long necks. Focus on research: Female giraffes drove the evolution of long necks, new ...
It shows two male giraffes in their enclosure. One of them is sticking his neck through the bars to get to some tall grass on the other side. The other giraffe thinks what he is doing is weird and ...
Male giraffes (Giraffa camelopardalis), such as the two pictured here, often engage in necking for various reasons, including combat and competition over females. Males with longer necks and heavier heads are at an advantage in duels and thus have greater access to estrous females, suggesting that the giraffe's distinctive long neck may be a ...
A rare baby giraffe has no spots, but now she has a name.
The Kordofan giraffe has spots similarly to other giraffe subspecies. They are even-toed ungulades and walk on long legs. Compared to other subspecies they are rather small; males are on average 6 meters tall, females reach a height of 4,5 meters. [10] Their shoulder height lies between 2 meters for females to 3,5 meters for males. [10]
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