CT DEEP Conducts First Black Bear Population Survey in Decades

After more than ten years, the Connecticut Department of Energy and Environmental Protection has partnered with researchers to launch a brand-new scientific study on the local black bear population. This comprehensive initiative aims to update official numbers and provide accurate data to help manage increasing wildlife interactions across our cities and towns.

Field teams have been deployed to hundreds of strategic locations throughout the western portion of the state to safely gather vital genetic samples. Such efforts are crucial for understanding how local wildlife adapts within nature and outdoors environments across the region.

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Inside the Fieldwork and DNA Collection

The specialized research team has established roughly 340 distinct collection sites across western Connecticut. These locations are carefully monitored every single week to maximize the retrieval of fresh biological material.

Researchers rely on safe, non-food lures like doughnut grease and raspberry-scented items to attract the animals. This clever method encourages curious bears to leave behind hair samples without ever getting habituated to human food.

Advanced Forensic Testing Methods

Once collected in the field, every single hair sample is meticulously bagged, meticulously documented, and prepared for transport. The physical items are then shipped directly to a specialized laboratory for rigorous forensic DNA testing.

Laboratory specialists use the DNA to identify individual animals, which helps build a comprehensive database. These insights ultimately feed into broader wildlife initiatives managed across various Connecticut counties.

Field Sites: Roughly 340 active collection stations in western Connecticut.
Lures Used: Non-food attractants like doughnut grease and raspberry scents.
Current Yield: Approximately 850 hair samples gathered since June.

Project Scope and Future Management Goals

Principal investigator Dana Morin is utilizing an advanced statistical method known as spatial capture-recapture. This sophisticated modeling technique will accurately estimate both population density and total abundance throughout the region.

The entire scientific endeavor carries an estimated price tag between $400,000 and $500,000. It is important to note that this funding comes entirely from federal wildlife grants provided by the U.S. Fish and Wildlife Service.

Anticipated Timeline and Community Impact

Extracting genetic material and running complex statistical estimation models requires a significant amount of time. Officials expect to release the final population report by next spring following thorough data analysis.

The last comparable survey took place between 2013 and 2014, estimating just 400 to 450 bears in western Connecticut. Current agency estimates now place the broader statewide population anywhere between 1,000 and 1,200 animals.

Armed with these updated numbers, state officials hope to better handle growing public safety concerns. Better data translates directly to smarter strategies for mitigating human-bear encounters and residential break-ins.

Here is the source article for this story: How many bears are there in CT? Here’s what it takes to find out.

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