TY  - SER
AU  - Villard,Pascal
TI  - Foraging behavior of Black-backed and three-toed woodpeckers during spring and summer in a canadian boreal forest
KW  - Oiseau
KW  - Forêt
KW  - Alimentation
KW  - Recherche scientifique
KW  - Canada
N1  - bibliogr. p. 1959
ER  -