pentades

Fig. 1. Dunlin catch per pentade on the Falsterbo peninsula 16.7 - 20.11, 1991 - 2001.









adultbills

Fig. 2. Bill from feathers in 802 adult Dunlin (478 3c+, 284 2c, 42 2c+) from the Falsterbo peninsula 16.7 - 31.8, 1991 - 2002.









admalefemalebills

Fig. 3. Bill from feathers in morphologically sexed adult Dunlin: 182 males and 144 females (filled columns) from the Falsterbo peninsula 13.7-17.8 (one male, one female 21.8, one female 26.8), 1999 - 2002. Mean values shown with arrows, both distributions from base line.










adweightonbill

Fig. 4. Regression WEIGHT on BILL in adults from the Falsterbo peninsula, July and August 1995 - 2002 (n = 804). Equation: WEIGHT = 0.89 BILL + 16.35; treg = 16.0, tconst = 9.0; p < 0.001; r = 0.50.









adult buff

Fig. 5. Phenology of birds with "adult buff" coverts; n=53, median shown with arrow. JIII and AIII = 11 days.









juvbills

Fig. 6. Mean values of bill length per half-month in juveniles (n = 1,789) from the Falsterbo peninsula 1.8 - 31.10, 1991 - 2000. 1 s. e. shown with bar, 1 s. d. shown with line on one side of the mean value.









winglengths

Fig. 7. Mean values of maximum chord wing lengths (vertical line) 1 s. e (bar) and 1 s. d. (horizontal line) in 1c (black bar) and 2c+ (white bar) Dunlin on the Falsterbo peninsula, 1991 - 2000. AI = 1 - 15 August etc.









billengths

Fig. 8. Mean values of bill lengths from feathers (vertical line) 1 s. e (bar) and 1 s. d. (horizontal line) in 1c (black bar) and 2c+ (white bar) Dunlin on the Falsterbo peninsula. A I = 1 - 15 August etc.









weights

Fig. 9. Mean values of weights (vertical line) 1 s. e (bar) and 1 s. d. (horizontal line) in 1c (black bar) and 2c+ (white bar) Dunlin on the Falsterbo peninsula. A I = 1 - 15 August etc. Five adult weights in Nov I shown only as mean value.









weightonbill

Fig. 10. WEIGHT on BILL in Dunlin, all ages, from the Falsterbo peninsula October and November 1991 - 2000 (n=1,200). Line with regression coefficient 1.40 drawn to sever the heavy extremes.









fatautumn

Fig. 11. The fat extremes above the line in Fig. 10, n=155.









billonwing1

Fig. 12. Bill on wing in 120 Dunlin from the Falsterbo peninsula with bill lengths 37.0 - 40.0 mm. Mean value of wing length: 123.0 0.2 mm, s. d. 2.7 mm.









billonwing2

Fig. 13. Bill on wing in 102 Dunlin from the Falsterbo peninsula with wing lengths 126 - 132.5 mm. Mean value of bill length: 35.1 0.2 mm, s. d. 1.9 mm. Regression n. s. (r = 0.03).




rankmeans
Fig. 14. Mean wing and bill lengths 1 s. e. of rankings 0 and 1 - 3 in 1c Dunlin from decade 4 - 13.8 (1) to 2 - 11.11 (10), Falsterbo peninsula 1995 - 2001.




rankmeans
Fig. 15. Mean wing and bill lengths 1 s. e. of rankings 0 and 1 - 3 in 2c+ Dunlin from pentade 15.7-19.7 (1) to 14.8 - 18.8 (7), Falsterbo peninsula 1995 - 2002.









juvrankzero

Fig. 16. Percentage of ranking "0" 1 binomial s. e. in 1c Dunlin from decade 4 - 13.8 to 2 - 11.11 and in December, Falsterbo peninsula 1995 - 2001. np and n(100-p) > 500 in all intervals, so normal confidence intervals can be deduced for the percentages; the best 95 % confidence intervals are 6 - 7 % on each side. Regression for decades 2 - 9: Ranking = -3.52 x Interval + 87.33; r = 0.97. tconst = -10.6, tregr = 44.1; p < 0.001.







adrankzero

Fig. 17. Percentage of ranking "0" 1 binomial s. e. in 2c+ Dunlin from pentade 15 - 19.7 (1) to 14 - 18.8 (7) and in two pentades (19.8 - 28.8), four pentades (29.8 - 17.9) and six pentades (18.9 - 17.10), Falsterbo peninsula 1995 - 2002. The best 95 % confidence intervals are 10 % on each side of the mean value.




Last changed 25.3.03.