United Kingdom, Aug. 6 -- Joe Jonas finds it "so different" having daughters instead of a household of boys.

The Jonas Brothers singer has noticed huge differences between the "delicate" way his and ex-wife Sophie Turner's girls Willa, five, and three-year-old Delphine behave compared with the rough-and-tumble nature of boys.

Speaking on Amy Poehler's podcast Good Hang, Joe, 35, said: "Boys are so different than girls. "I'll watch my kids on the playground and it's, like, delicate. And then this kid will be like, 'Ahh!' And dive off the top of the slide. And you're just like, 'That is a boy.' "

Amy - who has sons Archie, 16, and Abel, 14, with ex-husband Will Arnett - joked: "Your frontal lobes close later."

Joe contrasted how his own...