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Swifts Over Houston

Swifts Over Houston

Swift Night Out Events

Help us track Chimney Swifts!

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Chimney Swift Nest
Chimney Swift Nest

Photo by Don Verser

Chimney Swifts eat small flying insects less than 0.2 inch in length including mosquitoes, midges, flies, spittlebugs, aphids, winged ants, tiny bees and wasps, mayflies, stoneflies, and termites. Historical data demonstrates that the pellets of food given nestlings can contain more than 200 insects. Unlike many bird species where the only oldest / strongest nestling is fed, Chimney Swifts feed all their nestlings. The weakest / youngest nestling has been observed being fed first.


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