Subscribe | UPI Odd Newsletter Subscribe Jan. 13 (UPI) -- A British service dog charity said officials were shocked when a German shepherd gave birth to a litter of 16 puppies. The Guide Dogs National Center, near Leamington Spa, England, said the 16-puppy litter is about twice the average number for the breed. Advertisement The charity said the puppies, born to a German shepherd mother and a golden retriever father, will spend time in volunteer foster homes and will be trained as guide dogs. The Guide Dogs National Center said the litter is the largest seen in the 60-year history of the charity's breeding program. Guinness World Records lists the largest litter in history as 24 puppies born in Cambridgeshire, England, in 2004. Read More Giant, spinning ice disk returns to Maine river, freezes in place Apparently abandoned tarantula found on London commuter train New Zealand man had cockroach trapped in ear for 3 days