Complex sentence: Coyotes will hunt in pairs in many cases and can bring down a healthy, adult deer, however, deer killed by vehicles or by other natural causes are the more frequent target for the scavenging coyote.
Split into simpler sentences: Coyotes will hunt in pairs in many cases and can bring down a healthy, adult deer. However, deer killed by vehicles or by natural causes are the more frequent target for the scavenging coyote.