Complex sentence: Hal received medical care prior to his intended release into California Hill State Forest in Putnam County, New York, but he died unexpectedly on 30 March during a tagging procedure while being restrained by biologists.
Split into simpler sentences: Hal received medical care prior to his intended release into California Hill State Forest in Putnam County, New York. Sadly, he died unexpectedly on 30 March during a tagging procedure while being restrained by biologists.