The darker yellow one is a rather unattractive Yellow Lab hybrid. You have many other Yellow Lab X Red Zebra hybrids, not sure why that one is so dark. Don't see a pure yellow Lab in those photos.
The blotched one is a OB Zebra, just one that is mostly blotches and little orange.
The blotched one is a OB Zebra, just one that is mostly blotches and little orange.