[Alas Babylon!]

Audobon has The Great Backyard Bird Count. The next one is Feb 14-17, 2020.

I do it every year.

All you do is identify every and all birds you see on certain days. Then type it into their web page.

[Fungi]

Really? You mean there are enough of these counters to amount to the billion level? I have some prime real estate for you.