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

Jim Hinds to seek second term

Mission councillor announces intention to run again in 2018 election

TransLink ready if West Coast Express affected by CP Rail union job action

TransLink will provide multiple buses to connect customers to SkyTrain.

Abbotsford student cleans up at national science fair

Raul Pinol, 15, enters project on condensation of water using geothermal energy

Pesky pothole problems persist

Mission mayor wants an explanation, apology from province for neglecting provincial highway

VIDEO: Two-year-old Mission girl dies after she was found unresponsive in pool

RCMP located toddler after she went missing from a daycare

Black Press Media to launch Pipeline Full of Controversy series

Series covers Trans Mountain’s history, science, Indigenous reaction, politics and economics

B.C. RCMP swoop in to save injured eagle

An eagle with a broken wing now in a recovery facility after RCMP rescue near Bella Coola

Mission golf tournament attracts big crowd – including Santa

Event is a fundraiser for the 2018 Mission Christmas Bureau campaign

Bug spray 101: Health Canada wants you to stay bite free

Health Canada is reminding Canadians to use bug spray and other insect repellents safely

Unions reject CP Rail contract offers

Both meeting Friday to determine next steps; 72 hours notice required before strike action.

B.C. jewellers warn public about fake gold scam

‘They are playing on people’s sympathy and their greed’

Former B.C. premier says pot industry about to enter Wild West

Mike Harcourt says Canada is about to enter a new gold rush with many dreaming of striking it rich

Hunt continues for two suspects in Ontario restaurant explosion

The explosion left 15 people injured, but all victims have now been released from hospital

UPDATE: RCMP on scene to remove homeless housing protesters

Residents blocking the installation of modular housing in Maple Ridge

Most Read