Big year

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A big year is a personal challenge or an informal competition among birders who attempt to identify as many species as possible by sight or sound, within a single calendar year and within a specific geographic area. Popularized in North America, big years are commonly done within single US states and Canadian provinces, as well as within larger areas such as the entire world, the lower 48 continental U.S. states, or within the official American Birding Association Area. The ABA big year record of 836 species was set by John Weigel of Australia in 2016.[1] The world big year record of 6,852 species was set in 2016 by Arjan Dwarshuis of the Netherlands.[2]

History of North American big years[edit]

The wide publication in 1934 of the first modern field guide by Roger Tory Peterson truly revolutionized birding. However, in that era, most birders did not travel widely. The earliest known continent wide Big Year record was compiled by Guy Emerson, a traveling businessman, who timed his business trips to coincide with the best birding seasons for different areas in North America. During his best year, in 1939, he saw 497 species.[3] In 1952, Emerson's record was broken by Bob Smart, who saw 515 species.[4]

In 1953, Roger Tory Peterson and James Fisher took a 30,000 mile road trip visiting the wild places of North America. In 1955, they told the story of their travels in a book and a documentary film, both called Wild America. In a footnote to the book, Peterson claimed "My year's list at the end of 1953 was 572 species." In 1956, a 25-year-old Englishman named Stuart Keith, following Peterson and Fisher's route, compiled a list of 594 species, a record that stood for fifteen years.[5]

In 1971, 18-year-old Ted Parker, in his last semester of high school in southeastern Pennsylvania, extensively birded the eastern seaboard of North America. That September, Parker enrolled in the University of Arizona in Tucson and found dozens of Southwestern U.S. and Pacific coast specialties, ending the year with a list of 626 species.

The 1969 foundation of the American Birding Association standardized and regulated North American Big Years. The ABA Area was defined as the 49 continental U.S. states (excluding Hawaii), Canada, and the French islands of St. Pierre and Miquelon, plus adjacent waters to a distance of 200 miles from land or half the distance to a neighboring country, whichever distance is less.

Big year efforts were still few and far between. In 1973 Kenn Kaufman and Floyd Murdoch both pursued Parker's record. As recounted in Kaufman's book Kingbird Highway, both broke the old record by a wide margin. Murdoch finished with 669 in the newly described ABA area to Kaufman's 666. Murdoch's record was broken in 1979 by James M. Vardaman, who saw 699 species that year and travelled 161,332 miles. Benton Basham, in 1983, topped Vardaman's effort with 710 species. 1987 marked the second time that there was a competition during a single year, with Sandy Komito's 722 species topping Steve Perry's 711. In 1992 Bill Rydell made a serious attempt at the record and ended with 714 species for the year.

In 1998, three birders, Sandy Komito, Al Levantin, and Greg Miller, chased Komito's prior record of 722 birds. In the end Komito kept the record, listing 745 species[6] birds plus 3 submitted in 1998 and later accepted by state committees for a revised total of 748.[7] Mark Obmascik's book about the 1998 big year birders was adapted into the 2011 20th Century Fox film The Big Year.

In 2008, Lynn Barber, the Texas big year record holder, became the first woman to break the 700-species barrier with a total of 723.[8] In 2010, North Carolina birder Chris Hitt became the first birder to see 700+ species in the lower 48 in a single year, finishing with 704.[9] In the same year, Virginia birder Robert Ake ended the year with 731 species, an extraordinary total achieved without the benefit of the relatively unique weather effects of 1998.[10]

In 2011, Colorado birder John Vanderpoel became the fastest birder on record to reach 700 species in a year. However, ultimately John only managed 743 birds, missing out on the record by two (or five, with Komito's revised total).[11] Vanderpoel's effort was the last made without the major contribution of eBird and birding groups on Facebook, which significantly enhanced the quality and quantity of rare bird alerts.

In 2013, Massachusetts birder Neil Hayward reluctantly decided to do an ABA big year. Neil reached 700 species two weeks ahead of John Vanderpoel's 2011 pace, and ended his year on 747 species plus 3 provisionals.[12] Two provisionals later accepted by the ABA gave Hayward a final total of 749, which set a new ABA Big Year record.

In 2016, an unprecedented four birders attempted simultaneous ABA Area big years. A South Dakotan doctor birding as "Olaf Danielson" launched his "Bad Weather Big Year", reaching 700 species in May.[13] John Weigel, an Australian conservationist and Tasmanian devil activist, also launched his big year, called "Birding for Devils."[14] While not seeking to break the record, American birding activist and blogger Christian Hagenlocher's "The Birding Project" aimed to attract more people to birding through a more social perspective.[15] Hagenlocher, at age 27, also became the youngest person to break the 700-species barrier for an ABA big year. Photographer Laura Keene, conducting a 2016 photographic big year, broke Lynn Barber's Big Year record for women in September.[16] 2016 marked the first time four birders had each seen over 700 species in the ABA Area in a year. On 16 July 2016, Weigel saw his 750th species, a Buller's shearwater, breaking Hayward's previous record.[17] All four birders would eventually surpass Hayward's total.

In October 2016, the ABA voted to add the U.S. state of Hawaii to the countable area for ABA Big Years. All the 2016 big year birders except Hagenlocher birded Hawaii during November and December 2016, even though the "New" ABA checklist was not updated until November 2017. Olaf Danielson, partly due to efforts to promote bird conservation in Hawaii, incorporated Hawaii into his Big Year planning, keeping a list for the "New ABA" along with his Continental ABA list. John Weigel and Laura Keene subsequently birded Hawaii, with Weigel ending up with the highest total for the "New ABA" region (836), the Continental ABA region (784) and the United States (832). Danielson was close behind with 829 for the "New ABA," while setting a new record for the Lower 48 States (723). Weigel was nipping at his heels with 721. Keene shattered the previous record for photographed species with diagnostic photos of 792 species, and audio recordings of 10 others, out of her 815 total for the year. [18]

2017 broke new ground, with five birders surpassing 700 species in the Continental ABA Area by September, and three breaking the 750-species barrier. Keene's women's record for the "New ABA" region was broken in 2017 by Yve Morrell.[19]

In 2018, Nicole Koeltzow reached the 700-species milestone on July 1st, while in August Gaylee and Richard Dean became the first birders to reach 700 species in consecutive years. On October 30, 2018, in Hawaii, Koeltzow became the 7th birder to reach the 800-species mark, and went on to set new ABA records for women birders.[20] Also noteworthy in 2018 was the fact that Dan Gesualdo and Nicole Koeltzow became the 4th and 5th birders to identify 700+ species in the Lower 48 states. Gesualdo did so without a single airplane trip.

ABA Area big year rankings[edit]

Rank Name Species count Year
1 John Weigel 836 2016
2 Nicole Koeltzow 830 (+1) 2018
3 Olaf Danielson 829 2016
4 Yve Morrell 816 2017
5 Laura Keene 815 2016
5 Ruben Stoll 815 2017
5 Victor Stoll 815 2017
8 Christian Hagenlocher 752 2016
9 Neil Hayward 749 2013
10 Sandy Komito 748 1998
11 Gaylee Dean 747 2017
12 Richard Dean 745 2017
13 John Vanderpoel 743 2011
14 Jay Lehman 734 2013
15 Robert Ake 731 2010

  • 2018 Big Year attempts may include provisional species (1st ABA Area records not yet accepted to the official list) in parentheses.

The provisional species for 2018 is House Crow.

Continental ABA Area big year rankings[edit]

Rank Name Species count Year
1 John Weigel 784 2016
2 Olaf Danielson 778 2016
3 Nicole Koeltzow 774 (+1) 2018
4 Laura Keene 763 2016
5 Ruben Stoll 761 2017
5 Victor Stoll 761 2017
7 Yve Morrell 760 2017
8 Christian Hagenlocher 752 2016
9 Neil Hayward 749 2013
10 Sandy Komito 748 1998
11 Gaylee Dean 747 2017
12 Richard Dean 745 2017
13 John Vanderpoel 743 2011
14 Jay Lehman 734 2013
15 Robert Ake 731 2010
  • 2018 Big Year attempts may include provisional species (1st ABA Area records not yet accepted to the official list) in parentheses.

The provisional species for 2018 is House Crow.

USA Lower 48 States big year rankings[edit]

Rank Name Species count Year
1 Olaf Danielson 723 2016
2 John Weigel 721 2016
3 Nicole Koeltzow 706 (+1) 2018
4 Chris Hitt 704 2010
4 Dan Gesualdo 704 2018
6 Christian Hagenlocher 699 2016
7 Laura Keene 697 2016
8 John Vanderpoel 692 2011
9 Neil Hayward 691 2013
10 Yve Morrell 686 2017
  • 2018 Big Year attempts may include provisional species (1st ABA Area records not yet accepted to the official list) in parentheses.

The provisional species for 2018 is House Crow.

World big years[edit]

In 2008, British couple Alan Davies and Ruth Miller traveled around the world, seeing 4341 species. In 2015, Oregon birder Noah Strycker launched a worldwide big year with the goal of seeing at least 5,000 species—roughly half of the world's species—as he traveled around the globe. On September 16, in India, he broke the existing record of 4,341 species, set in 2008 by Alan Davies and Ruth Miller, when he saw a Sri Lanka frogmouth for his 4,342nd species of the year. He finished the year with 6,042 bird species, his last species seen being an Oriental Bay Owl in Assam, India.[21] Strycker's record faced an immediate challenge in 2016 when Dutch birder Arjan Dwarshuis launched an effort to break it as well as raise money for the Birdlife Preventing Extinctions Programme.[22] On November 4, 2016, Dwarshuis saw a tody motmot in Panama, breaking Strycker's previous record total. He finished the year with 6833 seen bird species and this is the new World big year record.

Because Dwarshuis primarily used the IOC Checklist and Strycker the Clements Checklist, their totals are not fully compatible, as the IOC checklist lists a greater number of species. However, Dwarshuis and Strycker have both compiled checklists for each list.

Many world big year birders aim to minimize costs through a sponsorship, and their carbon footprint through a carbon offset program.

Alternative big years[edit]

Traditional big year birders have drawn criticism from environmentalists for failing to consider the ecological impact of their travel. Several birders have attempted "green", or alternative big years to raise awareness for both birding and the environment.

In 2005, two British cycling birders decided to have a competition. Chris Mills in Norfolk, England and Simon Woolley, Hampshire, England competed over who would see the most birds by cycling only and hence become the UK Green Year list record holder. Chris Mills won setting a record of 251 bird species.

Starting in the summer of 2007, teenager Malkolm Boothroyd and his parents, Ken Madsen and Wendy Boothroyd, attempted a big year without the use of fossil fuels by planning to bicycle over 10,000 miles to get over 400 species for the year.[23] They started in their home province of the Yukon Territory, rode down the Pacific Coast, looping back around Arkansas to catch the Texas spring migration, then eastward to Florida. They dubbed this attempt a "bird year," rather than a big year. In the end, they covered more than 13,000 miles by bicycle and tallied 548 species, raising more than $25,000 for bird conservation in the process.[24]

2014 saw the first continent-wide "green year", a big year executed with a minimum of environmental impact. In his rather extreme instance, Dorian Anderson bicycled 17,830 miles around the United States, amassing a self-powered, petroleum-free 618 species during his 365 days on America's roads. Dorian visited 28 states (some twice) during his adventure and, beyond his species total, raised $49,000 for habitat conservation. He shunned all motorized transportation for the entire adventure, refusing even ferries that would have saved him sometimes hundreds of miles of riding around various bodies of water. Once hit by a car and many times nearly missed, it was a minor miracle that he survived the entire year without major injury.[25]

Published big year books[edit]

  • Wild America (1955) by Roger Tory Peterson & James Fisher
  • Call Collect, Ask for Birdman (1980) by James M. Vardaman
  • Looking for the Wild (1986) by Lyn Hancock
  • The Loonatic Journals (1987) by Steven Perry
  • Birding's Indiana Jones: A Chaser's Diary (1990) by Sandy Komito
  • The Feather Quest (1992) by Pete Dunne
  • A Year for the Birds (1995) by William B. Rydell, Jr.
  • Kingbird Highway: The Story of a Natural Obsession That Got a Little Out of Hand (1997) by Kenn Kaufman
  • I Came, I Saw, I Counted (1999) by Sandy Komito
  • Chasing Birds Across Texas: A Birding Big Year (2003) by Mark T. Adams
  • The Big Year: A Tale of Man, Nature, and Fowl Obsession (2004) by Mark Obmascik (later the basis for a 2011 comedy film distributed by 20th Century Fox)
  • Return to Wild America: A Yearlong Search for the Continent's Natural Soul (2005) by Scott Weidensaul
  • The Big Twitch (2005) by Sean Dooley (an Australian "Big Year")
  • The Biggest Twitch: Around the World in 4,000 Birds (2010) by Alan Davies and Ruth Miller
  • Extreme Birder: One Woman's Big Year (2011) by Lynn E. Barber
  • A Big Manhattan Year: Tales of Competitive Birding (2013) by David Barrett
  • Boobies, Peckers & Tits: One Man’s Naked Perspective (2014) by Olaf Danielson
  • Lost Among the Birds: Accidentally Finding Myself in One Very Big Year (2016) by Neil Hayward
  • Josh's Big Year: From Deserts to Jungles, a battle with Asperger's (2016) by Josh Crickmay [1]
  • Birding Without Borders (2017) by Noah Strycker

See also[edit]


  1. ^ "2016 Big Year Competition Final Determination".
  2. ^
  3. ^ Bird-Lore Jan/Feb 1940
  4. ^ Audubon Jan/Feb 1966: "Can I Count This Bird?"
  5. ^ Audubon Sep/Oct 1961: "A Britisher Sets a New North American Record"
  6. ^ "Attu Island". Retrieved 12 September 2013.
  7. ^ "Interview with Sandy Komito: 745 or 748?". Retrieved 12 September 2013.
  8. ^ Barber, Lynn (2011). Extreme Birder: One Woman's Big Year. Texas A&M University Press. ISBN 978-1-60344-261-9.
  9. ^ Slow Birding: the big year meets the big night
  10. ^ Bob's Birds and Things
  11. ^ Atlantic Monthly October, 2011
  12. ^ ABA Blog, December 31, 2013
  13. ^ "The Bad Weather Big Year".
  14. ^ "About this blog".
  15. ^ "Home".
  16. ^ Keene, Laura (15 August 2016). "Team Snowcock".
  17. ^ "Birding For Devils".
  18. ^ Neise, Greg. "Birding Magazine, Aug 2018 - The Next Big Thing"
  19. ^ Lill, Joe (personal communication with all the 700+ birders)
  20. ^
  21. ^ "Birding Without Borders".
  22. ^
  23. ^ Stewart, Ian. "A big green year for the birds". Yukon News. Retrieved 8 December 2011.
  24. ^ McCoy, Michael (September–October 2008). "Boy Wonder Bikes and Birds" (PDF). Adventure Cyclist. Retrieved 2018-01-30.
  25. ^ "Biking for Birds".