T. T.  Allen, ?Notes on the breeding behavior of the Anhinga?, Wilson Bulletin, vol. 73, pp. 115-125, 1961.

D. L.  Bordner, ?Phoebe builds over dead young?, Wilson Bulletin, vol. 73, p. 212, 1961.

G. H.  Orians, ?The ecology of Blackbird (Agelaius) social systems?, Ecological Monographs, vol. 31, pp. 285-312, 1961.

A. F.  Skutch, ?Life history of the White-crested Coquette hummingbird?, Wilson Bulletin, vol. 73, 1961.

S. F.  Hoyt, ?Nest-building movements performed by juvenal Song Sparrow?, Wilson Bulletin, vol. 73, pp. 386-387, 1961.

F.  Haverschmidt, ?Nests of Empidonomus varius, Pitangus lictor, and Myiozetetes cayanensis?, Auk, vol. 78, pp. 276-278, 1961.

B. K.  Snow, ?Notes on the behavior of three Cotingidae?, Auk, vol. 78, pp. 150-161, 1961.