Dietary habits of the black-necked swan Cygnus melancoryphus (Birds: Anatidae) and variability of the aquatic macrophyte cover in the Río Cruces wetland, southern Chile
Abstract
- Publication:
-
PLoS ONE
- Pub Date:
- December 2019
- DOI:
- 10.1371/journal.pone.0226331
- Bibcode:
- 2019PLoSO..1426331V