TABLE 2 in Sexual Dimorphism In Relation To Winter Foraging And Territorial Behaviour Of The Three-Toed Woodpecker Pzcoides Trzdactylus And Three Dendrocopos Species

TABLE 2 Percentage foruging occurrences by Picoides and Dendrocopos P. tridactylzrsD. leitcotosD. majorD. minorNo. of occurrences:Male 192Female 113Male 19Female 11Male Female 62 51Male 41Female 36Tree species Spruce Pine Birch Grey alder A4spen98 1 - - 137 21 42 - -36 9 55 - -98 2 - - -94 4 - 2 -17 - 54 29 -22 - 53 25 -Tree condition Dead Decayed Alive96? 4 -100 - -100 - -84 16 -86 12 283 15 283 17 -Tree height (m)' t 2 2-5 5.1-10 10.1-15 15.1-20> 20173 14 6 3 57 442 16 11 21 - -27 36 27 10 - -- - 2 15 74 8- 2 6 18 73 217 68 15 - - -22 58 19 - - -Foraging height (m)' <2 2-5 5.1-10 10.1-15 15'1 -20243 17 36 21 368 21 5 5 -27 55 18 - -- 2 24 47 27- 2 25 33 3975 25 - - -72 28 - - -Diameter of foraging site (crn)' <. - 5 - 5-10 11 -15> 1 573 24 11 58- - 5 95- 9 18 732 8 39 524 14 22 6132 61 - 728 6 4 6 3Foraging technique Scaling Pecking Gleaning96? 4 -21 79 -18 82 -84 16 -84 14 246 51 344 56 -