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Activities for All Ages

Purple Martins in Houston

Purple Martin Watch Events 2020

Upcoming Dates: Sunday, July 26, 2020; Friday, August  7, 2020; Sunday, August 23, 2020; Sunday, September 13, 2020

Our watch events were held in front of the Old Navy at the Fountains in Stafford. Address: 12634 Fountain Lake Circle, Stafford TX 77477. 

Photos from 2019 events

Useful Links

Peak numbers for Purple Martins occur in July and August when Purple Martins form large flocks and roost together in great numbers in preparation to migration. Some roosts may have thousands of birds. When the birds arrive to roost in the evening, it can be an amazing spectacle with the sky literally black with martins! If you know of a large roost, please contact us at birds@houstonaudubon.org. We have prepared an informational flyer about communal roosts, suitable for display. Join us in helping to protect Purple Martins!

Traditional Locations of Large Martin Roosts

Radar Sightings

Purple Martin flight patterns are sometimes visible on weather surveillance radar. The patterns can resemble rings which are particularly dense as they disperse to forage in the early morning.

  • Citgo
  • BP
  • CNOOC
  • Chevron Retiree Association
  • Land Sea & Sky
  • Shell Oil Company Foundation
  • Strabo Tours
  • Tropical Birding
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