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Count Birds and Support our Mission!


Birdathon 2021

Say goodbye to the birder blues, dust off the binoculars, fill up your feeders, and grab your checklist and camera...the San Diego Audubon Birdathon 2021 is right around the corner!

What: Spring is a great time to enjoy San Diego’s incomparable bird life, and it is the time of year when we ask you to directly support our work to protect local birds by giving to our Birdathon fundraiser. 

Who: The event is open to any and all solo birders, of all levels of experience as well as socially distanced teams like The U-Terns, Two-Tired Birders, Elder Birds, and the Wandering Totalers who are back in force this year. 

Where: Anywhere you decide!  Bird your favorite patch or all over San Diego County (safely masked and distanced, of course). 

When: Count as many bird species as possible within any 24-hour period during the month of April. Log your species on the bird checklist we provide at registration. Report these back to your team lead, or to

Register: Sign up for the Birdathon so we know that you are in! A $10 donation is suggested for individuals, and a $20 donation is suggested for a (virtual) team. Gather your fans, who can support you or your team by making one-time or match donations. Log these donors on the form we provide at registration. 

Donate: The Birdathon gives us the opportunity to collectively celebrate and protect the birds and wildlife that we love. Compete to record the most species and raise the most money, and share texts, emails and photos throughout your day. Reach out to your friends, families and neighbors to get them into the game, and ask them to sponsor you. $1 a bird, $10 a bird, a flat donation - it's up to them, and the birding is up to you.

There will be prizes for the following categories:

  • Most Species Counted by Team and Individual
  • Most Funds Raised by a Team and Individual

2020 Backyard Birdathon


  • The Too Tired Birders - 84 species seen, including Greater Yellowlegs, Nuttall’s Woodpecker, Northern Rough-winged Swallow, Orange-crowned Warbler and a Glaucous-winged Gull.
  • The Wandering Totalers - 132 species seen, including a Bell's Vireo, Lawrence's Goldfinch, Ladderback Woodpecker, Pine Siskin, Bullock's Oriole, a Gray and Hammond's Flycatcher, and a secretive Screech Owl seen at Silverwood.
  • The U-terns (SDAS staff) - 99 species seen, including a Western Tanager, Western Screech Owl and Northern Flicker.


  • San Diego Foundation
    San Diego Foundation
  • USFWS logo
  • County of San Diego
    County of San Diego
  • State Coastal Conservancy
  • SANDAg transnet logo
    SANDAg transnet logo
  • Coastkeeper
  • UCNRS logo
  • Malk Nature Fund
  • Logo for Union Bank