Parrots Take it with a Grain of Salt: Available Sodium Content May Drive Collpa (Clay Lick) Selection in Southeastern Peru

Soils from 18 parrot collpas ('clay licks') in southeastern Peru averaged four times more available sodium than uneaten control soils. Collpa soils contained marginally more clay than control sites and clay content was uncorrelated with available sodium content. Parrots may select and inge...

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Veröffentlicht in:	Biotropica 2009-05, Vol.41 (3), p.279-282
Hauptverfasser:	Powell, Luke L., Powell, Thomas U., Powell, George V. N., Brightsmith, Donald J.
Format:	Artikel
Sprache:	eng
Schlagworte:	Amazon Animal, plant and microbial ecology Applied ecology Biological and medical sciences Birds Clay soils Conservation, protection and management of environment and wildlife Forest soils Forestry Fundamental and applied biological sciences. Psychology General aspects General forest ecology Generalities. Production, biomass. Quality of wood and forest products. General forest ecology geophagia geophagy Insights Magnesium natural lick Parrots psittacids Riparian soils salt lick Sodium Soil biology Soil salts Soil treatment tropical wet forest
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Beschreibung
Zusammenfassung:	Soils from 18 parrot collpas ('clay licks') in southeastern Peru averaged four times more available sodium than uneaten control soils. Collpa soils contained marginally more clay than control sites and clay content was uncorrelated with available sodium content. Parrots may select and ingest soils based on available sodium content.
ISSN:	0006-3606 1744-7429
DOI:	10.1111/j.1744-7429.2009.00514.x