Join the PFN

Join one of Canada's premier naturalist communities

Discover what we have to offer and support environmental education and conservation in Peterborough and the Kawarthas. Join the Peterborough Field Naturalists by signing up for an annual membership today.

Join the PFN
Sample atmospheric CO2

Atmospheric CO2

Are atmospheric CO2 levels stabilizing? Weekly means for atmospheric CO2 originate from the NOAA Global Monitoring Laboratory. Check it out, along with other Citizen Science resources.

Sample atmospheric CO2

The Peterborough Field Naturalists (PFN) is a registered charity and active club in Peterborough, Ontario, Canada. We are currently holding Zoom meetings each month with intriguing topics and speakers. These are members - only events and we send an email out each month with details. Sign up to be a member now, don't miss out!

Read the Orchid

Each year our hard working volunteers distribute 8 issues of our monthly bulletin to members. The Orchid is full of excellent articles that can help keep you connected to nature in Peterborough.

Upcoming Events

Due to Covid 19, we will require registration and will limit the number of participants.  As a result, outings will be for members only until further notice.

Junior Naturalists

We offer events geared towards kids aged 5-12 on a regular basis. Run by environmental educators from Peterborough. Come out and try an event to see if you'd like to join!

Upcoming Events

Hazel Bird Nature Reserve – Members Only

Historically, the Rice Lake Plains were covered with tallgrass prairies and oak savannah. Dominated by massiveblack and white oak, grasses like big bluestem, Indiangrass and switchgrass grew more than two…

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Bats in Jackson Park – Members Only

Enjoy a night walk with Paul Elliott looking for some of our local bats feeding on the wing in Jackson Park. We will use ultrasonic bat detectors to listen to…

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Butterflies Along the Lang-Hastings Trail – Members Only

This outing is an introduction to butterfly watching along asection of the Lang-Hastings trail. The focus will be onlearning how to distinguish between the different speciespresent in early July. Join…

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POSTPONED: A Step Back in Time -Members Only

Mark S Burnham Provincial Park is an old growth forest on ourdoorstep. Please join us for a nature hike focused on Tree IDand reading the forested landscape. Trent University students,Kaylen…

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PFN Monthly Meeting: Owls – Members Only

The presentation by Marcie Jacklin will feature owls of Southern Ontario. It will be of interest to young and old, beginning and more experienced bird watchers. She will discuss identification…

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June Birds & Blooms in Cavan Area – Members Only

Enjoy a hike along a rail trail and ATV trails on the Oak Ridges Moraine. There should be lots of bird song which will help with sightings. Your leader Lynn…

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Ballyduff Trails Nature Walk – Members Only

Don McLeod will lead a nature walk along the Ballyduff Trails near Bethany. We will be looking for birds plus wildlife tracks and sign. These trails and the scenery are…

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Chimney Swift Roost Counts – Members Only

Chris Risley will once again be coordinating counts of Chimney Swifts entering their roost on five days this spring. PFN members are invited to join him. Come watch 80 to…

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Spring Birding in the Catchacoma Forest – Members Only

The Catchacoma Old Growth Forest is well known for its giant Eastern Hemlocks, some of which have been documented to be over 300 years old! It is also a sanctuary…

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Ingleton Wells: Prime Spring Birding – Members Only

This Stoney Lake Kawartha Land Trust property has it all: spring wildflowers, vernal pools and lots of birds. The trail travels through several habitats including mixed forest, meadows and wetlands.…

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