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Headwaters BioBlitz Contest

  • Headwaters Sanctuary (GPS coordinates are 29.4697, -98.4709) 4503 Broadway Street San Antonio, TX 78209 (map)

What species will we find this year at Headwaters Sanctuary? Be a part of a global weekend challenge to see which city can document the most wildlife species. Collect data on your own Fri-Mon, or join us for a special Headwaters BioBlitz Contest on April 29, 2:00-4:00pm. To participate, snap pictures of flora and fauna using the iNaturalist app. Prizes will be awarded for the most trees, small plants, insects, and birds documented!

Can't make the BioBlitz? Make observations and identify species using the iNaturalist app independently all weekend. 

View our events calendar to learn more about this event and other FREE programs we offer for adults and children every week. To learn more about Texas Parks & Wildlife City Nature Challenge go to 


Click here for the Headwaters BioBlitz Contest printable flyer.

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