Snow & Snow (1971)

General information

This study was conducted in Trinidad from August 1960 through September 1961. The aim of the investigation was to determine to what extent and in what ways the the feeding ecology differs among the various Trinidad bird species.

Data type

The authors recorded their data by counting the number of visits of each bird species to each plant species. Data are presented as an interaction frequency matrix, in which cells with positive integers indicate the frequency of interaction between a pair of species, and cells with zeros indicate no interaction.


Snow, B.K. and D.W. Snow. 1971. The feeding ecology of Tanagers and honeycreeperes in Trinidad. The Auk 88: 291-322

Data files

Text format: interaction matrix (no species names)

Excel format: interaction matrix (includes species lists)

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