https://en.wikipedia.org/wiki/RollerIncludes: Rollers & Dollarbirds(12 species, 11 seen)
Lilac-breasted Roller
Near Lake Naivasha, Kenya - November 2009
Dollarbird
Cattai NP, Sydney, Australia - July 2007 (yes in winter)
Indian Roller
Gujurat, India - January 2013
Purple Roller
Masai Mara, Kenya - November 2009
Absynnian Roller
Mole NP, Ghana - November 2008
Racket-tailed Roller
Near Makumi, Tanzania - October 2017