In this screengrab from a YouTube video, a turtle approaches the larger of two model turtles on the right. (Gregory Bulte via The Canadian Press)

‘Sex dolls’ help biologist study turtle mating habits

3D-printed ‘sex dolls’ help Carleton biologist find out what turtles find attractive in a female

Using 3D-printed “sex dolls” a Carleton University researcher has answered a question biologists had been asking for years — what do northern map turtles find attractive in a female.

Biologist Gregory Bulte says he’s been studying the mating habits of the northern map turtle for about 15 years, but the turtles are skittish and hard to observe because they mate on the bottom of lakes.

RELATED: Sex robots could help your marriage

He says the females can grow to twice the length of males and he wondered whether males might be attracted to larger females.

Bulte says he and his colleagues printed two 3D printed “sex dolls” of female turtles, identical in every aspect except size, and placed them a metre apart on the lake bed, with cameras rigged up to record how wild males reacted.

As predicted, Bulte says the males attempted to mate with the large model more often than the smaller one.

He says that by selecting larger females, males would increase the fitness of their offspring because larger females produce larger hatchlings and he plans to continue his research using the models.

“For these turtles it would be very difficult to have somebody just sitting there taking notes underwater without scaring them away,” he said Wednesday.

RELATED: The coming disruption: How robots might upend different professions

Bulte said the models could also allow scientists to look at other traits involved in the turtles’ mating behaviour.

“We could look at colour … the markings, we could do that across seasons to see if it changes,” he said.

The northern map turtle is listed as a species at risk in Canada and is found in lakes and rivers in the corridor between Montreal and Windsor, Ont., Bulte said.

Bulte also said he’s going to need some help going through the data he has collected.

“Now I’m just hoping to find a really good student that is willing to watch a lot of turtle videos,” he said.

The Canadian Press

Just Posted

Kent to weigh in on ride-sharing policies

The district will be submitting comments to the province on what ride sharing should look like

Chilliwack prolific offender wanted yet again

B.C.-wide warrant issued for David Allen Geoghegan

One man, two women charged with stolen pickup downtown Chilliwack

None of the three have criminal history in B.C.

Enrolment, EA increases make for no surprises in updated school district budget

The budget reflects changes that were made after recieving provincial funds in December

Agassiz Community Gardens hoping to find new home at old McCaffrey school

The society has been looking for a new location since its previous gardens were sold in October

VIDEO: U.S. Congress to probe whether Trump told lawyer Cohen to lie

At issue is a BuzzFeed News report that about negotiations over a Moscow real estate project

Explosion sends B.C. firefighter to hospital

Kelowna fire crews responded to a blaze at Pope’sGallery of BC Art & Photography on Friday

Book a ride on a driverless shuttle in Surrey or Vancouver

Automated vehicle demos are being offered, as the two cities plan pilot projects with the shuttles

Heavy snowfall expected on the Coquihalla

Snowfall warning in effect for the Coquihalla Highway, from Hope to Merritt

Ex-Mountie investigating ‘Surrey six’ murders pleads guilty to obstruction

Derek Brassington entered his plea in B.C. Supreme Court on Friday

Rare ‘super blood wolf moon’ takes to the skies this Sunday

Celestial event happens only three times this century

Arrest made after historic B.C. church hit by arson

The fire at the 150-year-old Murray United Church in Merritt was considered a possible hate crime

Missing man from Crowsnest Pass could be in Lower Mainland

58-year-old Stuart David Duff was last seen on Jan. 6, 2019.

B.C. dangerous offender in court for violating no-contact order, sends letter to victim

Wayne Belleville was shocked to see a letter addressed to him from his shooter, Ronald Teneycke

Most Read