Hoover, Orick, or puppy who will likely be first out of the box

That little sable merle male has the best strongest suck reflex I've seen. He attaches hard ( I'm guessing he's the one giving her hickies) and then when Whiskey stands up and walks out of the box, he stays on. Whiskey has learned to scrape him off on the edge of the whelping box - if she was a bit taller, he'd have been out on the floor at day 3. Tonight he rode all the way across the whelping box, dangling in midair, only to be wiped off on the edge as she stepped out. He actually yelled at her.