IFM Biology, Link(o)ping University, Link(o)ping, SE-581 83;
IFM Biology, Link(o)ping University, Link(o)ping, SE-581 83;
IFM Biology, Link(o)ping University, Link(o)ping, SE-581 83;
Kolm(a)rden Wildlife Park, Kolm(a)rden, SE-681 92;
Bor(a)s Zoo, Bor(a)s, SE-501 13, Sweden;
Instituto de Neuro-Etologia, Universidad Veracruzana, Xalapa, Veracruz,C.P.91000, Mexico;
IFM Biology, Link(o)ping University, Link(o)ping, SE-581 83;