Birds Of Mexico El Jorullo, Puerto Vallarta, Jalisco, México / May-2023 White-collared Swift Vencejo Cuello Blanco (Streptoprocne zonaris) Size: T 8-8.5" / 21.5 cmW 19-21" / 48-53 cmID: → Large and black body.→ Adult with complete white collar.→ Slightly forked tail.Similar Species: White-naped Swift, Black Swift. Antonio Robles Published: May 23, 2023 El Jorullo, Puerto Vallarta, Jalisco, México / May-2023 Los Arcos, Puerto Vallarta, Jalisco, México / May-2023