June 9 is Donald Duck's birthday. NPR's Ayesha Rascoe speaks with film historian J.B. Kaufman about how the Disney character has changed since his debut 90 years ago.

Donald Duck, arguably tied with Goofy as the second most recognizable Disney character after Mickey Mouse, starred in over 150 short films throughout the 1930, ’40s, ’50s, and ’60s. 2024 ...