From ryan’s web page:

ryan f. mandelbaum is a science writer, nature educator, and wildlife photographer based in brooklyn.

they write about the interaction between cities and nature for their newsletter “eyy i’m walkin here” and elsewhere, and lead bird tours for nyc bird alliance. their book, wild nyc, was published by timber press in april 2025.

when they aren’t looking at animals, ryan is the editor-in-chief of ibm’s quantum computing team.