Authors: ZWARTS L HULSCHER JB KOOPMAN K ZEGERS PM

Citation: L. Zwarts et al., DISCRIMINATING THE SEX OF OYSTERCATCHERS HAEMATOPUS-OSTRALEGUS, Ardea, 84A, 1996, pp. 1-12

Authors: ZWARTS L HULSCHER JB ZEGERS PM

Citation: L. Zwarts et al., WEIGHT-LOSS IN OYSTERCATCHERS HAEMATOPUS-OSTRALEGUS ON THE ROOST AND AFTER CAPTURE, Ardea, 84A, 1996, pp. 13-20

Authors: ZWARTS L HULSCHER JB KOOPMAN K ZEGERS PM

Citation: L. Zwarts et al., BODY-WEIGHT IN RELATION TO VARIATION IN BODY-SIZE OF OYSTERCATCHERS HAEMATOPUS-OSTRALEGUS, Ardea, 84A, 1996, pp. 21-28

Authors: ZWARTS L HULSCHER JB KOOPMAN K PIERSMA T ZEGERS PM

Citation: L. Zwarts et al., SEASONAL AND ANNUAL VARIATION IN BODY-WEIGHT, NUTRIENT STORES AND MORTALITY OF OYSTERCATCHERS HAEMATOPUS-OSTRALEGUS, Ardea, 84A, 1996, pp. 327-356

Authors: ZWARTS L HULSCHER JB KOOPMAN K ZEGERS PM

Citation: L. Zwarts et al., SHORT-TERM VARIATION IN THE BODY-WEIGHT OF OYSTERCATCHERS HAEMATOPUS-OSTRALEGUS - EFFECT OF AVAILABLE FEEDING TIME BY DAY AND NIGHT, TEMPERATURE AND WIND FORCE, Ardea, 84A, 1996, pp. 357-372

Authors: SMIT CJ ZEGERS PM

Citation: Cj. Smit et Pm. Zegers, SHOREBIRD COUNTS IN THE DUTCH WADDEN SEA, 1980-91 - A COMPARISON WITHTHE 1965-77 PERIOD, Ophelia, 1994, pp. 163-170