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Peterborough Field Naturalists

@ptbonature.bsky.social
133 followers 62 following 442 posts

To Know, Appreciate, and Conserve Nature in All its Forms The Peterborough Field Naturalists (PFN) is a registered charity and active club in Peterborough, Ontario, Canada. The PFN has a history dating back to 1940.

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Reposted by Peterborough Field Naturalists
Peterborough Examiner @ptboexaminer.bsky.social · 03/10/2026
Charity hopes to share these incredible spaces with businesses and/or organizations, writes Marlys Kerkman.
thepeterboroughexaminer.com
Kawartha Land Trust seeks partners to bring new life into buildings on Hammer property
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Peterborough Field Naturalists @ptbonature.bsky.social · 01/10/2026
Dawn Chorus The American Robin took top honours in the 2026 PFN Dawn Chorus, appearing in all 18 of our observation counts. American Crows, American Goldfinches, Black-capped Chickadees and Song Sparrows were close behind, each recorded at 17 of the 18 locations.
Dawn Chorus

Which bird is the region’s most dependable early-morning singer?

The American Robin took top honours in the 2026 PFN Dawn Chorus, appearing in all 18 of our observation counts. American Crows, American Goldfinches, Black-capped Chickadees and Song Sparrows were close behind, each recorded at 17 of the 18 locations.

Check out the full report in The Orchid.

How many of these familiar voices do you hear in your neighbourhood?

#DawnChorus #Birdsong #Birding
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Reposted by Peterborough Field Naturalists
Trent Centre for Communicating Conservation @trentconservation.bsky.social · 30/09/2026
October's here, and with it a new pub talk on high-tech ways to hang out with wolves. Join us for a wolf's eyed view of the moose hunt! 7:30 pm, upstairs at the Publican, free with a cash bar. 🐺🤳
A photo taken from a camera under the chin of one wolf, looking out across a snowy field with another wolf in the foreground. The text reads: Harnessing New Technologies to Understand Wolf Predation on Moose in Northern Ontario. Dr. Brent Patterson, OMNR. Oct 13th
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Peterborough Field Naturalists @ptbonature.bsky.social · 28/09/2026
Dawn Chorus The American Robin took top honours in the 2026 PFN Dawn Chorus, appearing in all 18 of our observation counts. American Crows, American Goldfinches, Black-capped Chickadees and Song Sparrows were close behind, each recorded at 17 of the 18 locations.
Dawn Chorus

Which bird is the region’s most dependable early-morning singer?

The American Robin took top honours in the 2026 PFN Dawn Chorus, appearing in all 18 of our observation counts. American Crows, American Goldfinches, Black-capped Chickadees and Song Sparrows were close behind, each recorded at 17 of the 18 locations.

Check out the full report in The Orchid.

How many of these familiar voices do you hear in your neighbourhood?

#DawnChorus #Birdsong #Birding
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Peterborough Field Naturalists @ptbonature.bsky.social · 28/09/2026
finchnetwork.org/author/firn?...
Winter finch forecast
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Reposted by Peterborough Field Naturalists
Trout in Plaid @troutinplaid.bsky.social · 26/09/2026
Environmental and planning issues mayoral debate brought to you by 4RG, @ptbonature.bsky.social, and Reimagine Peterborough October 6, 2026, 7:00 – 8:30pm Peterborough Lion’s Club, 347 Burnham St
reimaginepeterborough.ca
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Peterborough Field Naturalists @ptbonature.bsky.social · 24/09/2026
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Peterborough Field Naturalists @ptbonature.bsky.social · 22/09/2026
Dawn Chorus The 2026 PFN Dawn Chorus began in darkness with a familiar voice. An American Robin was reported singing at 4 a.m., the earliest first-song time recorded during the survey. Mourning Dove followed at 4:06, with Barred Owl and Killdeer joining at 4:10.
Dawn Chorus

The 2026 PFN Dawn Chorus began in darkness with a familiar voice.

An American Robin was reported singing at 4 a.m., the earliest first-song time recorded during the survey. Mourning Dove followed at 4:06, with Barred Owl and Killdeer joining at 4:10.

By sunrise, the landscape had become a chorus of birds from wetlands, fields, forests, shorelines and backyards across the region.

Check out the full report in The Orchid.

#DawnChorus #Birdsong #CitizenScience
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Peterborough Field Naturalists @ptbonature.bsky.social · 21/09/2026
Another wonderful wander with Colleen. Be sure to sign up to receive your email each week on where she is leading us next. peterboroughnature.org/event/fall-n...
Another wonderful wander with Colleen. Be sure to sign up to receive your email each week on where she is leading us next. https://peterboroughnature.org/event/fall-nature-outings/
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Peterborough Field Naturalists @ptbonature.bsky.social · 20/09/2026
We all had a great time on our Monday Morning walk with Colleen Sept 14th. Don made sure to get some great photos for us. www.donaldmcleod.com/Original-Gal...
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Peterborough Field Naturalists @ptbonature.bsky.social · 19/09/2026
Have you signed up for Colleens Monday Fall Nature Outings yet? Its a great time with like minded people. Every week is a new adventure and you can choose to come by signing up or not :) peterboroughnature.org/event/fall-n...
Have you signed up for Colleens Monday Fall Nature Outings yet?  Its a great time with like minded people. Every week is a new adventure and you can choose to come by signing up or not :)

https://peterboroughnature.org/event/fall-nature-outings/
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Peterborough Field Naturalists @ptbonature.bsky.social · 18/09/2026
Make sure to drop by and say hi.
Make sure to drop by and say hi.
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Peterborough Field Naturalists @ptbonature.bsky.social · 17/09/2026
That "bobbing butt" is totally their trademark! Spotted Sandpipers have earned some hilarious nicknames over the years because of it—like teeter-tail, tip-tail, and jerk-bird. Makes for an easier ID :)
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Peterborough Field Naturalists @ptbonature.bsky.social · 17/09/2026
Hope to see you there!!!!
Ecology Park September 19 10-2. Great Canadian bio blitz. Hope to see you there!!!!
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Peterborough Field Naturalists @ptbonature.bsky.social · 16/09/2026
Dawn Chorus One morning, 18 locations and a remarkable range of habitats. The 2026 PFN Dawn Chorus brought together observations from backyards, wetlands, meadows, fields, woodlands, rivers, lakes, a waterfront park and Kawartha Highlands Provincial Park.
Dawn Chorus

One morning, 18 locations and a remarkable range of habitats.

The 2026 PFN Dawn Chorus brought together observations from backyards, wetlands, meadows, fields, woodlands, rivers, lakes, a waterfront park and Kawartha Highlands Provincial Park.

Recording birds across such varied landscapes helps build a richer picture of when—and where—the region’s birds join the dawn chorus.

Check out the full report in The Orchid.

#DawnChorus #CitizenScience  #Birding
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Peterborough Field Naturalists @ptbonature.bsky.social · 15/09/2026
Have you signed up for one of our two fungi outing yet? peterboroughnature.org/event/fabulo...
Have you signed up for one of out two fungi outing yet?

https://peterboroughnature.org/event/fabulous-fungi-9/
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Peterborough Field Naturalists @ptbonature.bsky.social · 11/09/2026
forourgrandchildren.ca Meet the Mayor - Save the Date Peterborough’s Municipal Elections are approaching quickly. There are so many issues to consider, but we cannot move forward without a healthy environment. 🔗 forourgrandchildren.ca/4rgevent/mee...
forourgrandchildren.ca

Meet the Mayor - Save the Date

Peterborough’s Municipal Elections are approaching quickly. There are so many issues to consider, but we cannot move forward without a healthy environment.

🔗 https://forourgrandchildren.ca/4rgevent/meet-the-mayor-save-the-date/
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Reposted by Peterborough Field Naturalists
Ontario Nature @ontarionature.bsky.social · 10/09/2026
When the headline says we're "moving the needle," we share it. The Pointer recently highlighted Ontario Nature's latest conservation acquisition, and what it means in the bigger picture of Canada's 30x30 conservation target. 🔗: thepointer.com/article/2026... #30x30 #ontarionature
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Peterborough Field Naturalists @ptbonature.bsky.social · 09/09/2026
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Peterborough Field Naturalists @ptbonature.bsky.social · 08/09/2026
Migration is in full swing. What’s in your yard? #peterboroughontario #Birding #OntarioBirding
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Peterborough Field Naturalists @ptbonature.bsky.social · 06/09/2026
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Peterborough Field Naturalists @ptbonature.bsky.social · 06/09/2026
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Peterborough Field Naturalists @ptbonature.bsky.social · 04/09/2026
Thanks Cath Boothbee for sharing this beautiful video. Hi there. I thought I’d share this video of the monarch’s fueling up on our Rocky Mountain Blazing Star. Douro Township
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Reposted by Peterborough Field Naturalists
Ontario Nature @ontarionature.bsky.social · 04/09/2026
Ontario Nature presents Nature at Queen's Park Photo Contest! Submit a photo celebrating a natural place in Ontario that you live and the species that inhabit it. Full detail and rules here: catalog.ontarionature.org/photo-con… #photocontest #ontarionature #photography
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Peterborough Field Naturalists @ptbonature.bsky.social · 03/09/2026
How happy I was to see 3 Otters swimming in the local pond yesterday. Always fun to see. #otters #peterboroughontario
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Peterborough Field Naturalists @ptbonature.bsky.social · 02/09/2026
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Peterborough Field Naturalists @ptbonature.bsky.social · 01/09/2026
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Peterborough Field Naturalists @ptbonature.bsky.social · 01/09/2026
We have an event this weekend in case you are looking for something to do, so sign up :) Late Summer Birds and Butterflies Along the Lang-Hastings Trail September 5 @ 10:00 AM – 12:00 PM peterboroughnature.org
We have an event this weekend in case you are looking for something to do, so sign up :) 
Late Summer Birds and Butterflies Along the Lang-Hastings Trail
September 5 @ 10:00 AM – 12:00 PM
https://peterboroughnature.org/
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Reposted by Peterborough Field Naturalists
Ontario Nature @ontarionature.bsky.social · 28/08/2026
It's World Lake Day and we're reflecting on how Indigenous Peoples remind us that water is sacred. And we have a responsibility to care for it. Sign our action alert to urge the government to protect more water and land here: ontarionature.good.do/protected-ar... #lakeontario #ontarionature
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Peterborough Field Naturalists @ptbonature.bsky.social · 26/08/2026
Cedar Waxwings What the Red Tips Mean Immature birds: Juveniles and young birds in their first year typically have 0 to 5 red waxy tips, and many have none at all. Mature/Older birds: Adults with larger and more numerous red tips—often 6 to 9 or more—are older and fully mature.
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Reposted by Peterborough Field Naturalists
Ontario Nature @ontarionature.bsky.social · 26/08/2026
The Town of Wasaga Beach has committed to halt mechanical beach raking, construction and some motorized vehicle use in Piping Plover habitat until Oct 31 while our federal court case continues. Reporting by @fieldandshutterpress.ca 🔗 www.fieldandshutterpress.ca/p/wasaga-bea...
fieldandshutterpress.ca
Wasaga Beach says it will halt raking, construction in Piping Plover habitat until Oct. 31
The Town filed an undertaking applying to a portion of Beach Area 1 while a Judicial Review of the federal Environment Minister's delay in making a recommendation for emergency protections continues
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Reposted by Peterborough Field Naturalists
Trent Centre for Communicating Conservation @trentconservation.bsky.social · 21/08/2026
We're back to school and back to our pub talks this September! In a few short weeks come join us at The Publican for an exciting and accessible view on using biocontrols to push back against invasive species in our province. Jenn Baici, of the University of Toronto, will walk us through new research
A woman in a cameo hat in profile is leaning into a thick patch of grass--the kind you see growing 7 feet tall along highways. The text reads Biocontrol of Invasive Plants in Ontario. Sep 8, 7:30 pm, Upstairs at The Publican, 294 Charlotte St.
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Peterborough Field Naturalists @ptbonature.bsky.social · 21/08/2026
The Solitary Sandpiper is a fairly common migrant through the Peterborough, Ontario area from early July to late September, and again briefly during spring migration. This one stopped for a refreshing bath.
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Reposted by Peterborough Field Naturalists
Ontario Nature @ontarionature.bsky.social · 18/08/2026
Our Conservation Insiders Report looks back at a busy spring and summer, from connecting Filipino youth with urban wildlife in Toronto to reptile surveys in Norfolk County and youth-led trail projects in Markham and Whitby. 🔗: catalog.ontarionature.org/conservat…
catalog.ontarionature.org
Ontario Nature Conservation Highlights - Page 1
B-annual conservation impact reporting from Ontario Nature. Highlights form our work to protect wild species and wild spaces that is supported by our generous members and donors.
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Peterborough Field Naturalists @ptbonature.bsky.social · 18/08/2026
Black-crowned Night Herons are rare but regular late-summer visitors in Peterborough, Ontario, often spotted in August during their post-breeding dispersal and early migration. Spots to find them along the Otonabee River and local waterways include Meadowvale Park and Rotary Park / London St. Dam.
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Peterborough Field Naturalists @ptbonature.bsky.social · 15/08/2026
In mid-to-late August, Ruby-throated hummingbirds—Ontario's only native hummingbird species—experience peak fall migration activity across the Peterborough and Kawartha lakes region before heading south for the winter by early October.
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Peterborough Field Naturalists @ptbonature.bsky.social · 14/08/2026
Its hard to get a good look at the birds with all the leaves but we spotted some American Restarts hiding and eating. This female came out for a bit.
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Peterborough Field Naturalists @ptbonature.bsky.social · 13/08/2026
Were you lucky enough to see the Red-necked phalarope in Lakefield?
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Peterborough Field Naturalists @ptbonature.bsky.social · 12/08/2026
Common loons and their fluffy, dark brown chicks can be spotted on lakes and waterways throughout the Peterborough and Kawartha Lakes region. Eggs usually hatch in late June or early July, and by August, the growing chicks are swimming independently, learning to dive, for their first migration
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Ontario Nature @ontarionature.bsky.social · 11/08/2026
A piece of rotting plywood might not look like much, but for snake monitoring, it can tell us a lot. 👀 Learn how we use a simple plywood board in our Long-Term Monitoring Protocol for snakes here: 🔗 m.youtube.com/shorts/FodKt... #snakes #speciesatrisk
m.youtube.com
How Ontario Nature Monitors Snakes in the Wild
YouTube video by Ontario Nature
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Peterborough Field Naturalists @ptbonature.bsky.social · 06/08/2026
In August, barn swallows in Peterborough, Ontario wrap up their second nesting cycle and begin gathering in flocks before migrating south to Central and South America by the end of the month. Love listening to them :)
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Peterborough Field Naturalists @ptbonature.bsky.social · 05/08/2026
Belted Kingfishers Males have one blue chest band, but females have both a blue band and an extra rust-colored band Juveniles look similar to adults with blue-gray upperparts, but they show "irregular rusty spotting in the breast band"
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Peterborough Field Naturalists @ptbonature.bsky.social · 04/08/2026
Great Blue Heron Waterways: Look for them standing still in shallow water or on riverbanks along the Otonabee River. Parks: Regularly seen hunting for fish and frogs in wetlands at Jackson Park and Beavermead Park.
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Peterborough Field Naturalists @ptbonature.bsky.social · 03/08/2026
Halictus ligatus, the ligated furrow bee, is a common eusocial sweat bee found in southern Ontario. It features a dark, matte body with distinct hair bands and a unique square-shaped head with a small cheek projection in females.
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Peterborough Field Naturalists @ptbonature.bsky.social · 03/08/2026
There’s been some difference of opinion on who exactly the jelly is for :)
There’s been some difference of opinion on who exactly the jelly is for :)
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Peterborough Field Naturalists @ptbonature.bsky.social · 02/08/2026
The one on the right looks to be an adult with the 2 offspring. Osprey eye color changes as they grow, transitioning from orange or reddish-orange in young birds to bright yellow in fully mature adults
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Peterborough Field Naturalists @ptbonature.bsky.social · 01/08/2026
Observed in pastoral and protected local spots such as the Briar Hill Bird Sanctuary. Designated as a threatened species in Ontario because of agricultural changes, nest disruptions, and the loss of open-country grassland habitats.
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Reposted by Peterborough Field Naturalists
Ontario Nature @ontarionature.bsky.social · 30/07/2026
When nearly 99% of public feedback opposed replacing Ontario's Endangered Species Act with weaker species protection and the bill passed anyway. A must-read by @fatimabsyed.bsky.social Our report, Bridging the Gap shows how 106 species lost protections: sl1nk.com/wm6ykw3 Read it and repeal Bill 5!
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Ontario Nature @ontarionature.bsky.social · 31/07/2026
Join @ontarionature.bsky.social for a hike and social in beautiful Muskoka at our H.N. Crossley #NatureReserve next Thursday August 6! More details and RSVP found here: www.tickettailor.com/events/ontar... #ontarionature
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Ontario Nature @ontarionature.bsky.social · 31/07/2026
Good news heading into the long weekend! 🇨🇦 “By working together, Ontario and Canada have permanently protected a combined area that is nearly twice the size of the City of Guelph,” said Todd McCarthy, Minister of the Environment, Conservation and Parks. 👏 🔗 todaysnorthumberland.ca/2026/07/22/o...
todaysnorthumberland.ca
Ontario and Canada Investing $10 Million to Expand Parks and Trails - Today's Northumberland - Your Source For What's Happening Locally and Beyond
(Today’s Northumberland file photo) Historic conservation agreement will protect nearly 48,000 acres of natural greenspace for residents and vis
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