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. Events are led by PFN members and individuals from Peterborough community organizations. Come out and try an event to see if you'd like to join!

Upcoming Events

PFN Monthly Meeting: “Living on the Edge: Wildlife & Change in the Hudson Bay Lowlands “ presented by Dr. Glen Brown

Details about the September meeting will be in the August/September Orchid and will be posted on the PFN website. Thursday, Sept. 14 Hybrid meeting

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Presqu’ile Shorebirds and Butterflies

Celebrate World Shorebird Day by joining fellow PFN members for an outing to Presqu’ile Provincial Park. Outing leaders Don McLeod and Colleen Lynch will guide the group in observing shorebirds…

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Birding Hotspot – Otonabee Gravel Pits

Steve Paul will lead a mid-summer tour of the Otonabee Gravel Pits. This site is a former gravel pit that is managed by Otonabee Conservation and it is one of…

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Ferns of Silent Lake

Most people pay little attention to the ferns growing along ahiking trail. These beautiful green plants, primarily of the forest,give one a feeling of cool freshness. Ferns grow in abundancealong…

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Canoe/Kayak from Squirrel Creek Conservation Area

Join Patrick Kramer for a paddle along a beautiful section of the Otonabee River. There is a big concentration of wild space between Whitfield Landing and Squirrel Creek CA,including undevelopable…

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Butterflies Along the Lang- Hastings Trail

This outing is an introduction to butterfly watching along a section of the Lang-Hastings trail near Hastings. The focus will be on learning how to distinguish between the different species…

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2023 Report Cards on Watershed Health and Climate Change

This presentation will highlight the 2023 Otonabee Region Watershed Report Card, and Climate ChangeReport Card, along with examples of the efforts of Otonabee Conservation and partners to enhance thehealth of…

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Junior Event – Saturday June 17, 2023 2 p.m. to 4 p.m. Forest Art & Plant Pressing

Register by contacting [email protected]   

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Birds, Butterflies and Botany – Carden Plain

Join us for an all-day visit to the wonderful Carden Plain. This is an unusual alvar habitat that is home to an abundance of rare grassland bird species, butterflies and…

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Chimney Swift Roost Watches

PFN members are invited to see Chimney Swifts gather, circle and then dive into their roost as part of Birds Canada’s annual monitoring of their numbers. The outing takes place…

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