Share Your Butterfly Sightings

Join CVC’s Butterfly Blitz program! We invite you to share information about your butterfly sightings to helps us create an inventory of butterflies in the Credit River Watershed.

When you choose to take part, you’ll learn how to identify butterfly species in your backyard and neighbourhood. You can take part on your own time. The data you collect will help us learn important information about local butterfly populations.

This project has a five-year lifespan, which began in 2019. As we gather more data from sightings, we can:

  • Understand where different species of butterflies can be found in the watershed
  • Determine which butterflies are locally rare or common
  • Understand if species are becoming more or less common over time

Get Involved

Become a citizen scientist and join the 2021 Butterfly Blitz!

Not an expert? Not a problem! Anyone can contribute to Butterfly Blitz, and it’s a great way to learn. If you already know a bit about butterflies or want to commit more time to the project, we’ve got options for that, too. Everyone is welcome!

This year’s Butterfly Blitz runs May 15 to September 18.

Participation Opportunities

To participate in the Butterfly Blitz program, complete the following steps.

  1. Register for iNaturalist online. Create a profile using your email address, Facebook account or Google account.
  2. Click on Community.
  3. Select Projects. Search “CVC Butterfly Blitz 2021”.
  4. Click Join.

The Butterfly Blitz program offers brief training webinars to help you understand project goals and the expectations we have for your participation.

Session # 1: How to find and identify butterflies

Session #2: How to use iNaturalist and insect photography

Your registration permits you to collect an online resource kit to help your research.

There are a few different research activities in which you may take part.

iNaturalist Project

Submit photo observations of butterflies in the Credit River Watershed on your own time. Observations are welcome between May 15 and September 18 – from your backyard and/or where it is safe and reasonable to do so in the watershed.

Location: Anywhere in the Credit River Watershed
Date: May 15 to September 18, 2021
Time: Self-directed (any-time)

Timed Surveys on eButterfly

To participate in this option, you’ll commit to completing four 15-minute butterfly surveys, on your own time, throughout the summer. You’ll submit your observations to CVC through the online platform eButterfly.

Location: Anywhere in the Credit River Watershed
Date: May 15 to September 18, 2021
Time: Self-directed (any time)

CVC-Led Events

We offer guided events and training to learn more about butterflies how to participate.

At our wrap-up event, we’ll:

  • Provide an overview of the findings
  • Celebrate some of the best finds and photos from the year
  • Hand out prizes to participants in several categories (e.g. most observations, most species, etc.)

The celebration will be followed by a walk and butterfly survey in the surrounding natural areas– a known hot spot for migratory butterflies at this time of year.

Win Prizes with Butterfly Blitz

Prizes are awarded to those who are participating in activities in iNaturalist. Compete for prizes in the following categories:

  • Most observations
  • Most species
  • Rarest species
  • Best photo
  • Most participation
  • Lucky day prize

Photo Gallery


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