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

Table 1 Used tag types

	Power supply	GNSS	Data transmission	Initial mounting	Weight (gram)	% body weight male	% body weight female
Type 1	Battery	GPS	GSM / GPRS	Leg-loop	42	3,0	3,3
Type 2	Solar	GPS	GSM / GPRS	Wing-loop	20	1,4	1,6
Type 3	Solar	GPS	GSM / GPRS	Wing-loop	22	1,6	1,8

ISSN: 2053-7166