Aves, p�le ornithologique de Natagora

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Aves, 11/3 | 1974 | 151-156

  Study of the density of Goldcrest (Regulus regulus) and Firecrest (Regulus ignicapillus) in an old spruce wood : first results.
Fouarge, J.G.

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Article summary

The density of the two species was determined by the quadrate census method completed by the use of a tape recorder (playback). The results don't show any competition but between the individuals of the same species. The density of the two species varies from 1969 till 1973 between 4,4 and 2,8 pairs a hectare.

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