Biologging is suspect to cause corneal opacity in two populations of wild living Northern Bald Ibises (Geronticus eremita)

Fritz, Johannes; Eberhard, Barbara; Esterer, Corinna; Goenner, Bernhard; Trobe, Daniela; Unsoeld, Markus; Voelkl, Bernhard; Wehner, Helena; Scope, Alexandra

doi:10.1186/s40657-020-00223-8

Avian Research

Table 2 Individuals affected by Unilateral Eye Opacity in the Northern Bald Ibis release population during the period 2016–2018

From: Biologging is suspect to cause corneal opacity in two populations of wild living Northern Bald Ibises (Geronticus eremita)

ID	Sex	Generation^a	Breeding area	Tag type	Date of tag attachment	Date of tag detected	Age at detection (months)	% wing-loop devices at detection^b	Affected eye	Intensity allocation ^c	Measure after detection	Effect of measure^d
27	Male	F1	Burghausen	Type 2	Jan-16	Mar-16	47	23	Left	3,8	None	Unknown
57	Female	F1	Burghausen	Type 2	Feb-16	Jan-17	32	32	Right	4,4	None	Deterioration
144	Female	F0	Burghausen	Type 2	Oct-16	Jan-17	9	32	Left	4,4	Removal	Deterioration
101	Male	F1	Burghausen	Type 2	Apr-16	Feb-17	21	32	Right	2,7	None	Unknown
116	Male	F1	Kuchl	Type 2	Feb-16	Feb-17	21	32	Left	3,1	Removal	Recovery
103	Female	F1	Burghausen	Type 2	Feb-16	Mar-17	22	34	Left	1,3	None	Unknown
67	Female	F1	Kuchl	Type 2	Feb-16	Mar-17	32	34	Left	3,3	None	Deterioration
142	Female	F0	Kuchl	Type 2	Oct-16	Mar-17	11	34	Right	3,0	None
111	Male	F1	Kuchl	Type 2	Feb-16	Mar-17	22	34	Right	1,3	None	Deterioration
112	Female	F1	Kuchl	Type 2	Feb-16	Mar-17	23	33	Right	1,3	Removal
123	Male	F0	Kuchl	Type 2	Nov-16	Mar-17	11	34	Left	1,3	None	Unknown
184	Female	F0	Ueberlingen	Type 2	Oct-17	Nov-17	8	36	Right	1,4	Re-positioning	Recovery
183	Female	F0	Ueberlingen	Type 2	Oct-17	Nov-17	8	36	Right	2,0	Re-positioning	Recovery
133	Female	F0	Burghausen	Type 2	Oct-16	Nov-17	20	36	Left	0,9	Re-positioning	Recovery
32	Female	F1	Burghausen	Type 2	Mar-17	Dec-17	55	28	Left	1,3	Removal	Recovery
29	Male	F1	Kuchl	Type 2	Sep-17	Dec-17	56	28	Right	0,9	Removal	Recovery
203	Male	F1	Burghausen	Type 2	Aug-17	Dec-17	7	17	Right	1,3	Removal	Recovery
182	Female	F0	Ueberlingen	Type 3	Mar-18	Aug-18	17	55	Right	2,3	Re-positioning	Recovery
180	Male	F0	Ueberlingen	Type 3	Mar-18	Oct-18	19	63	Left	4,1	Re-positioning	Recovery
178	Female	F0	Ueberlingen	Type 3	Mar-18	Nov-18	20	63	Right	3,5	Re-positioning	Recovery
208	Male	F1	Burghausen	Type 3	Mar-18	Nov-18	18	63	Left	1,3	Re-positioning	Recovery
204	Male	F1	Burghausen	Type 3	Mar-18	Dec-18	19	63	Left	3,0	Re-positioning	Recovery
230	Male	F0	Ueberlingen	Type 3	Oct-18	Dec-18	8	66	Right	1,3	Re-positioning	Recovery
197	Female	F1	Burghausen	Type 3	Mar-18	Dec-18	20	63	Right	2,3	Re-positioning	Recovery
265	Male	F1	Kuchl	Type 3	Aug-18	Dec-18	7	64	Left	3,3	None	Unknown

^aF0 Founder generation, released after human-led migration; F1=first generation hatched in the wild
^bProportion of the population with devices at the wing-loop position, the rest carried devices at the leg-loop position
^cMean allocation by eight participants due to pictures of the affected eye; grey background indicates cases where DT allocated the intensity in the field without picture
^dUnknown effect means that the bird died or got lost before the effect could be evaluated

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ISSN: 2053-7166

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