Tuskless elephant

Selection for Tuskless Elephants | HHMI BioInteractive Video

Working in Gorongosa National Park, Mozambique, Dr. Joyce Poole and colleagues make a striking observation: many female elephants lack tusks ...

Tuskless elephants evolve in wake of massive poaching

Researchers say the change is related to “specific genes that generated a tuskless phenotype more likely to survive in the face of poaching.”

In Mozambique, mystery of tuskless elephant points to poaching as ...

In Mozambique, mystery of tuskless elephant points ... cover image. Malavika Vyawahare ... Malavika Vyawahare ... 11 Nov 2021 Africa ... 11 Nov 2021 Africa.

Searching for the Tuskless Elephants of Gorongosa | Episode 2 - PBS

From Mozambique's Gorongosa National Park to the scars left on the elephant population, Shane's research is revealing how our actions can change the course of ...

The Genetics of Tusklessness | HHMI BioInteractive Video - YouTube

... and related materials, visit HHMI BioInteractive: https://www.biointeractive.org/classroom-resources/genetics-tusklessness-elephants.

Selection for Tuskless Elephants - PBS LearningMedia

Learn how poaching is selecting for tuskless elephants who are more likely to survive, mate, and pass on their genes. This HHMI BioInteractive expands on ...

Tuskless Elephants | EarthDate

Background · Historically, 2–4 percent of unstressed African elephant females are tuskless; tusks are an inherited genetic trait. · Fewer African elephant males ...

Ivory hunting drives evolution of tuskless elephants - Nature

Mathematical modelling by evolutionary biologist Shane Campbell-Staton at Princeton University in New Jersey and his colleagues has confirmed ...

The Genetics of Tusklessness in Elephants - YouTube

Most African elephants have tusks, but some never grow them — especially in places that have a history of poaching, like Gorongosa National ...

Tusklessness in the elephant population of the Addo Elephant ...

The majority (98%) of the 174 female elephants in South Africa's Addo Elephant National Park are tuskless. Long-term records are used to ...

Tuskless Elephant Phenomenon Explained by U of I Scientist ...

Female elephants in a region of Africa are evolving without tusks due in part to illegal poaching and the ravages of a civil war, ...

Ivory poaching has led to tuskless elephants, study finds

Ivory poaching has led to tuskless elephants, study finds ... Intensive ivory poaching has been linked to the increase of tuskless elephants in ...

'Rapid evolution' of tuskless elephants caused by ivory trade ...

Ivory poaching has led to a "rapid evolution" of tuskless African elephants, as elephants without tusks were more likely to survive during ...

The Gorongosa Elephants - ElephantVoices

Selection for tuskless elephants ... A few facts are neccessary to understand the occurrence of tusklessness in elephant populations that have experienced ...

Tuskless elephants became common as an evolutionary response ...

In Mozambique, past hunting pressure led to an increase of naturally tuskless elephants in one park, a study finds.

Civil war drove these elephants to lose their tusks—through evolution

Because there were no tuskless males, the researchers suspected the trait might be caused by genes on the x chromosome, including a dominant one ...

and more elephants are being born without tusks. A geneticist ...

As 1 in 10 female elephants have one tusk or none, the trait must also be influenced by a second genetic factor. By comparing DNA from tusked ...

Tuskless Elephants: An Evolutionary Response To Poaching

In the span of 15 years, Mozambique's civil war led to genetic changes that drove a sustained increase in tuskless female elephants.

African Elephants Evolved Tusklessness Amazingly Fast - The Atlantic

During the years of intense ivory-poaching, females without tusks were five times more likely to survive than those with them.

Why Are There Tuskless Elephants? - Earth.Org Kids

Without tusks, they can't defend themselves from enemies. There is also a reason why tuskless elephants are often, if not always, female. The ...