 He campaigned to protect [[endangered species]] such as the [[humpback whale]], [[blue whale]], [[Philippine eagle]], the [[tamaraw]] (a rare dwarf Philippine buffalo), and was instrumental in establishing protections for the [[Tasaday people]], and various African tribes such as the [[Maasai people|Maasai]].Alongside [[Laurance S. Rockefeller]], Lindbergh helped establish the [[Haleakalā National Park]] in Hawaii.Lindbergh's speeches and writings in later life emphasized technology and nature, and his lifelong belief that "... all the achievements of mankind have value only to the extent that they preserve and improve the quality of life."