Unforced Error — Mark Roberts

When scientist Carl Racine's genetically modified wolf Yukon discovers a body aboard a corporate helicopter, they both become a danger to powerful people who are determined neither survives to tell anyone about it. Although he survives a deadly chase through the dense and dangerous jungles on the planet Cenozoic, Carl knows the treat isn't over. He needs Yukon's unique skills if he's going to find the truth -- and Yukon is under sentence of death