References
- CABRERA , A. and YEPES , J. 1960 . Mamíferos Sudamericanos , Buenos Aires : Cia. Argentina de Editores .
- ERICKSON , A.W. 1966 . “ Spectacled bear‐status survey in South America ” . In Ark Underway, 2nd rept., World Wildlife Fund 1965–1967 206 – 207 . Morges
- NOWAK , R.M. and PARADISO , J.L. 1983 . Walker's Mammals of the world , Fourth ed. , Baltimore : The Johns Hopkins Press .
- PEYTON , B. 1980 . Ecology, distribution, and food habits of spectacled bears, Tremarctos ornatus, in Peru . J. Mamm. , 61 : 639 – 652 .
- PEYTON , B. 1981 . Spectacled bears in Peru . Oryx , 16 : 48 – 56 .
- PEYTON , B. 1984 . Spectacled bear habitat in the Historical Sanctuary of Machu Picchu and adjacent areas , 196 Missoula : Univ. of Montana . M.S. thesis
- PEYTON , B. 1986 . Spectacled bear news . Species (Newsletter of the Species Survival Commission) , 6 : 15 – 16 .
- SUAREZ , L. and GARCIA , M. 1986 . Extinción de Animales en el Ecuador , Quito : Fundación Natura .
- TATE , G.H. 1931 . Random observations on habitats of the South American Mammals . J. Mamm. , 12 : 248 – 256 .
- THORNBACK , J. and JENKINS , M. , eds. 1982 . The IUCN mammal red data book , Gland : IUCN Publ. .