What 7 animals tell us about sexual selection
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It’s easy to assume all animals have a neat dividing line between the sexes because the differences in appearance between males…
It’s easy to assume all animals have a neat dividing line between the sexes because the differences in appearance between males…
It’s easy to assume all animals have a neat dividing line between the sexes because the differences in appearance between males…
And one of the most fascinating is the spotted hyena of sub-Saharan Africa, where females dominate the clans It’s easy to…
Criaturas gigantes con seis patas y dos pares de ojos conviven con los ‘na’vi’, una especie humanoide nativa que con aspectos…
It’s easy to assume all animals have a neat dividing line between the sexes because the differences in appearance between males…
It’s easy to assume all animals have a neat dividing line between the sexes because the differences in appearance between males…
It’s easy to assume all animals have a neat dividing line between the sexes because the differences in appearance between males…
It's easy to assume all animals have a neat dividing line between the sexes because the differences in appearance between males…
It’s easy to assume all animals have a neat dividing line between the sexes because the differences in appearance between males…
It’s easy to assume all animals have a neat dividing line between the sexes because the differences in appearance between males…
It’s easy to assume all animals have a neat dividing line between the sexes because the differences in appearance between males…
科学家们花了35年采样记录,终于发现独角鲸长角的作用,雄性独有还是有道理的。 滥竽充数的“独角兽”们,来源:Freepik.com 作者 | 郭菲 编辑 | 张昊 我们常用独角兽来形容那些具有非凡魅力的稀有事物。在中世纪的神话传说里,独角兽自由地徜徉在山间野…
A group of narwhals is called a blessing. Males (with tusks) and females are found in the Arctic seas.
A group of narwhals is called a blessing. Males (with tusks) and females are found in the Arctic seas.
Although the tusk can be a weapon, the variation in tusk size among animals of similar body size points to it being a mating…
Mariposas monarca en una de las reservas de Michoacán (México). La primavera es el momento en el cual la vida sexual de muchos…
Male narwhals with the biggest tusks are more attractive to females, scientists have discovered.
by Dave
Net zoals de felgekleurde staarten van pauwen of de grote geweien van elanden, wordt de slagtand van narwals gebruikt om…
Showy peacock feathers, extravagant elk antlers and highly effective crayfish claws are just some examples of the ostentatious…
Known as "the unicorns of the sea," narwhals are unique for the solitary tusk that protrudes through the tops of their heads.
Самки нарвалов выбирают самцов по размеру рога — чем он больше, тем самец привлекательнее, считают биологи из Университета штата…
Oh, dier Om sommige dieren kun je niet heen. De redactie wetenschap licht er iedere week eentje uit.
When you’re in the dating game, sometimes you develop a type. Maybe it’s someone tall, or funny, or with a particular hair color.
A big tusk could possibly scare off other males, and show the ladies you're a catch.
Как показало 35-летнее исследование, это громоздкое украшение служит только для одной цели — привлечения самок.
March 18 (UPI) -- The unicorn-like tusk of the narwhal whale is an element in sexual selection, and size matters, a study…
(CNN)Narwhals are known as the "unicorns of the sea," but the reason for the whales' showy tusks has long mystified scientists.
When it comes to sex between the “ unicorn of the sea,” size really does matter – but we’re not talking about down there.
Male narwhals’ long tusks evolved to impress mates and fight off rivals, a study has found.
– and the ‘unicorns of the sea’ use them as ‘sexual weapons’ Male narwhals with the biggest and longest tusks are more…
The narwhal tusk is actually a tooth. When it comes to facing down rivals and attracting mates, narwhals with big tusks might…
When it comes to facing down rivals and attracting mates, narwhals with big tusks might have an advantage.
Showy peacock feathers, extravagant elk antlers and powerful crayfish claws are just a few examples of the ostentatious animal…
For one of the most mysterious animals in the oceans, size really does matter. That's the upshot of a new study that finally…
Male narwhals use their unicorn-like tusks for mating rituals and combat with rivals, scientists believe.
Male narwhals use their unicorn-like tusks for mating rituals and combat with rivals, scientists believe.
Male narwhals use their unicorn-like tusks for mating rituals and combat with rivals, scientists believe.
Male narwhals use their unicorn-like tusks for mating rituals and combat with rivals, scientists believe.
Male narwhals use their unicorn-like tusks for mating rituals and combat with rivals, scientists believe.
Showy peacock feathers, extravagant elk antlers and powerful crayfish claws are just a few examples of the ostentatious animal…
Male narwhals use their unicorn-like tusks for mating rituals and combat with rivals, scientists believe.
Ein gewundenes Horn, bis zu drei Meter lang – was hat es mit diesem bizarren Markenzeichen der Narwale auf sich? Über seine…
Showy peacock feathers, extravagant elk antlers and powerful crayfish claws are just a few examples of the ostentatious animal…