Pteroglossus torquatus frantzii - Fiery-billed Aracari

Bangs, O. 1907. Auk: 24(3): 287-312.
On a Collection of Birds from Western Costa Rica

Skutch, A. F. 1946. Auk: 63(3): 327-362.
Life History of the Costa Rican Tityra

Skutch, A. F. 1948. Wilson Bulletin: 60(2): 81-97.
Life History Notes on Puff-Birds

Skutch, A. F. 1949. Condor: 51(1): 3-19.
Life History of the Ruddy Quail-Dove

Skutch, A. F. 1951. Auk: 68(1): 30-49.
Life History of the Boat-Billed Flycatcher

Skutch, A. F. 1956. Condor: 58(3): 188-205.
Life History of the Ruddy Ground Dove

Skutch, A. F. 1958. Condor: 60(4): 201-219.
Roosting and Nesting of Aracari Toucans

Skutch, A. F. 1959. Condor: 61(2): 65-74.
Life History of the Blue Ground Dove

Skutch, A. F. 1962. Wilson Bulletin: 74(2): 115-152.
The Constancy of Incubation

Skutch, A. F. and J. W. Fitzpatrick. 1980. Condor: 82(1): 31-42.
Arils As Food of Tropical American Birds

Remsen, J. V., Jr., M. A. Hyde and A. Chapman. 1993. Condor: 95(1): 178-192.
The Diets of Neotropical Trogons, Motmots, Barbets and Toucans