Tips on confirming breeding

Now that we are well into the breeding season, a major focus of atlas field work should be to try to confirm breeding for as many species as possible.  In terms of the atlas, “confirmation” requires observing nests or behaviors linked to the confirmed breeding codes described on the atlas web page here. Most birds are breeding right now, which means that there are nests everywhere, and birds are exhibiting these behaviors all the time. Nonetheless, observing these things can be hard, especially if you are not used to looking for them. So, here are some tips on how to see the things that let you confirm breeding. Continue reading “Tips on confirming breeding”

Can we confirm robins in every block?

Last summer I wrote a blog post highlighting 12 species that it should be possible to confirm as breeders in almost all atlas blocks.  That list is reproduced here:

1. Song sparrow
2. American robin
3. Gray catbird
4. Black-capped chickadee
5. Mourning dove
6. Northern cardinal

7. Blue jay
8. House finch
9. Common yellowthroat
10. House sparrow
11. Chipping sparrow
12. Tufted titmouse


Continue reading “Can we confirm robins in every block?”

Where have all the parids gone? (Answer: probably nowhere)

The summer of 2018 proved to be a really great start for the atlas, but whenever we present last year’s data we are constantly pointing out that comparisons to the first atlas need to be made with care. In part, we make these cautions because the data are still being reviewed to ensure we’ve made no errors. But, the main reason is simply that the historic data come from five years of field work, not just one. Continue reading “Where have all the parids gone? (Answer: probably nowhere)”