Latest News

New Study Reveals e-Butterfly Provides Unique and Important Data

Campagnolo Chorus 11 speed crankset 53 39 172,5mmOpportunistic data collection programs like e-Butterfly allow volunteers to report species observations from anywhere, and can quickly assemble large volumes of both historic and current data. But how valuable is the data? A Campagnolo Chorus 11 Ultra torque Carbon Crankset 175mm 53 39t by researchers at the University of Ottawa used eButterfly data and a comparable dataset of professionally collected observations across Canada to measure the amount of new distributional and regional species richness information that opportunistic citizen science generates. We’re pleased to learn, because of great volunteers like you, e-Butterfly provides incredible data for science and conservation!


Take Part in the 2018 International Monarch Monitoring Blitz!

From July 28 to August 5, butterfly watchers across North America are invited to take part in the International Monarch Monitoring Blitz to help provide a valuable snapshot of Monarch population status across their late summer range. Participation is simple: find a milkweed patch and look for Monarchs, counting the number of stems you examined as well as the number of eggs, caterpillars, pupae, and adults. Then, share your observations with Mission Monarch.

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Campagnolo COMP ONE Crankset 11 Speed 172.5mm 39 53 Stiffer than Record NOS

Making 2018 a Big eButterfly Year

CAMPAGNOLO Chorus 170MM Cranks 135BCDCampagnolo Crank Spanner 15mm Peanut Butter Wrench toolCampagnolo Chorus 9 speed Derailleur Rear Vintage Road Bike ALLOY NOS

We hear from many users who tell us how eButterfly has helped them learn more about butterflies and has made their butterflying more fun and have more purpose. We also hear from many great butterfly watchers who say that they want to submit to eButterfly more often or that they “keep meaning to get started” but have yet to “take the plunge.” Together, let’s make 2018 a big eButterfly year!  (more…)

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Item specifics

New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is ... Read moreabout the condition


Model Number: B-CAIRBULL-33 MPN:


Sport Type: Helmet cycling ,Capacete Bike ,Bicicleta Helmet Weight (g): Approx.300g
product: mountain bike Helmet,cascos ciclismo bicicleta Material: EPS
type 2: Road/MTB bicycle Helmet,capacete da bicicleta Type: Integrally-molded Helmet
Width: 17.5CM Air Vents: < 8
weight: 300g Certification: ce
advantage: Bright lens AND one more replacement inner pad Age Group: (Adults) Men
Size: 54-60CM