no-heard-only= only includes birds identified by sight.

How do I enter my list totals?

AT stands for All Territories & Provinces Added Together, and is determined by adding one’s life lists for each of Canada’s provinces and territories, 13 areas in all, whether or not you have reached the reporting threshold in all (or any) of them.

TT (Total Ticks) is the same principle, but on a wider scale. It includes all the states, provinces, and territories that lie within the ABA Area (thereby excluding Hawaii, but including Washington DC and the French islands of St. Pierre et Miquelon, which are in the ABA Area).



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- Nate Swick

At The Eyrie, Steve N.G. Howell starts what looks to be a great series on the how and why of a field [...]

- Nate Swick

Birders who have traveled to the islands of the Caribbean and the Galapagos in the New World are lik [...]

- Nate Swick

Continuing rarities in the ABA Area include a handful of bird in southeast Arizona. The Flame-colore [...]

- The Eyrie

A field notebook is, well, what it says: a notebook you carry in the field (in my case, 24/7 in my p [...]

- The Eyrie

Young birders are sponges that absorb all sorts of information, ask questions, and never seem to tir [...]

- Aidan Place

The Warbler Guide, published last year, was an incredible work of writing on the identification of N [...]

ABA Marketplace

3 pairs of alpha bins for sale: Leica Ultravid HD Plus 7x42. 4 months old and in mint condition. Cos [...]

B&L Elite Binoculars: 10x42, good, $400; 10x43, like new, $450; Bushnell Elite Binoculars: Custo [...]

The Most Interesting Birds Make for a Most Interesting Visit. North Dakota is in the middle of the C [...]