Table 3 in Sexual dimorphism and foraging niche partitioning in the Middle Spotted WoodpeckerDendrocopos medius

Table 3. Components extracted by PCA (varimax rotation, eigenvalue 1 0) of the breeding period foraging variables Percentages arcsine (√x)-transformed prior to analysis Numbers in bold are loadings ≥ 1045 1 used for Interpretation of the components, n = 17 ComponentVariables1234Gleaning (%)0.142-0.796-0.0040.522Probing (%)-0.3060.108-0.126-0.794Searching (%)0.2430.9350.0690.066Lower crown (%)0.374-0.8710.1250.029Upper crown (%)0.6820.481-0.2480.329Living substrate (%)-0.2360.2030.5990.614Substrate diameter (cm)-0.4520.2530.477-0.465Hornbeam (%)- 0.9130.0740.116-0.125Lime (%)-0.4300.0620.215-0.715Oak (%)0.810-0.040-0.1630.475Living trees (%)0.005-0.1450.878-0.016Mean tree dbh (cm)0.9024.1090.0990.120Eigenvalue4.8102.6031.6481.052Explained variance (%)29.422.212.919.8