Complex sentence: By July, wildlife biologists found evidence that OR-7 and his mate had produced a second litter of pups, a month later, trail cameras identified two new pups, bringing the known total of wolves in this pack to seven.
Split into simpler sentences: By July, wildlife biologists found evidence that OR-7 and his mate had produced a second litter of pups. A month later, trail cameras identified two new pups, bringing the known total of wolves in this pack to seven.