Attributions for all photographs used in the 2019 Bio-Techne Calendar. Redirects in attributions will lead to the source, author page, and license information for that photo.
"Coyote Hills Regional Park, Fremont, United States, Feb 2017" by Wizz4prep is licensed under CC BY-SA 4.0
“2012-02-04 02-05 Capitola, Big Basin 122 Redwoods State Park” by Allie_Caulfield is licensed under CC BY 2.0
“UK – Bristol – Clifton Suspension Bridge at sunrise” by Harshil Shah is licensed under CC BY-ND 2.0
“Shanghai Oriental Pearl Tower Waibaidu bridge Pudong skyscrapers illuminated China” by fotoVoyager is licensed from iStock by Getty Images™.