Table 1	An entry of "M" means missing data
Bone lengths from glaucous-winged gulls on Protection Island, WA, Violet Point
Specimen	Age (days)	Hum (length)	Ulna (length)
JUVENILES
C8	0	2.8	1.4
C5	0	2.7	1.3
C0	0	2.9	1.7
2C	0	2.5	1.5
5A	0	2.9	1.5
C6	1	2.9	1.4
32B	1	2.9	1.6
63A	1	3.1	1.5
82A	1	3	1.5
96C	2	3.4	1.6
55B	2	3.1	M
C12	3	3.4	1.6
138B	3	3.3	1.5
34C	3	3	1.5
C2	4	3.6	1.6
66A	4	3.6	1.8
7C	4	3.3	M
132B	4	3.3	1.7
C13	5	3.6	1.6
C25	5	3.7	1.9
4B	5	4.1	2.1
C1	6	3.7	1.7
C37	6	4.2	2.1
4A	6	3.9	1.9
83B	7	4.5	2.2
93C	7	4.1	1.8
33C	7	4.3	2.1
C7	8	4.4	2.3
71B	9	4.5	2.3
C11	10	4.3	2
59A	10	5.2	2.8
112A	10	5.3	3.1
C9	10	4.6	2.4
C18	12	5.6	2.7
32A	12	5.2	2.5
C24	12	5.3	2.8
C50	12	5.2	3
C40	14	6	3.8
C65	14	6.1	4.2
C10	15	6.3	3.9
C30	15	6.6	4.3
C15	15	6.2	4.1
C19	16	7	4.7
C28	16	6.7	4.7
C23	16	6.6	4.7
C16	18	7.5	5.7
C51	18	7.6	5.5
C29	18	7.4	5.1
C42	19	7.5	5.5
60A	20	7.6	7
31B	20	8.4	6.9
114B	20	8	6.3
C36	21	7.6	6
C49	22	8	6.3
C53	22	8.1	6
C41	23	7.7	5.8
110C	23	8.6	7.5
C14	24	8.4	6.7
C46	24	8.4	7
37A	24	8.2	8
31A	24	7.9	7.4
C54	24	M	M
C45	26	8.7	7
C26	26	8.6	7.8
39A	28	10.7	11.4
10A	28	10	9.8
37B	28	9.5	9.6
90A	30	9.8	9.6
97B	30	8.7	8.5
134A	30	8.8	8.8
C62	30	9.4	9.5
C66	30	9.7	9.8
118B	32	10.1	10.5
C58	32	10.2	10.6
C60	34	10.9	11.9
C64	35	11.4	12
C61	36	12.2	13
C34	36	11.7	12.3
62A	42	11.9	12.9
C52	42	12.4	13.7
ADULTS
A1		12.8	14.9
A2		12.8	15
A3		11.5	13.5
A4		11.7	13.3
A5		11.8	13.5
A6		12.8	14.8
A7		11.3	13.1
A8		11.8	14
A9		10.9	12.9
A11		11.3	13.3
A12		11.7	13.6
A10		12.3	14.5
A13		12.9	14.9