NYC-based photographer of birds & all things under the sea, especially nudibranchs.

Avian observations pre-2020 mainly on eBird: https://ebird.org/profile/OTAxMzc3/world

https://www.instagram.com/zahnerphoto_birds/ (birds)

https://www.instagram.com/zahnerphoto/ (underwater)

https://twitter.com/zahnerphoto