Or stormiest night. We had a terrible storm with a deluge of rain the night my mare foaled. Of course, she preferred the wild night outside to the dry shelter of her barn.
Young son came running in the next morning yelling, "There's a giraffe in the horse pen with 'Tessa!" Our new little one had lacy spots and was about the shade of a giraffe so, to a little one, she did look a bit like a giraffe.
Yup! Always fun at night. Especially in bad weather. I would think the temperature difference between mom's womb and the -10* wind would shock the begeebers out of the young'uns. But they don't seem to be bothered much.