Table 1.

Overview of the tracked individuals per project, their status in 2019, total number of tracking days, number of GPS fixes and biometric data.

Project	Animal id	Animal name	Sex	Date first observation	Date last observation	Status in 2019	Tracking days	GPS fixes	Body mass (g)	Tarsus length (mm)	Wing length (mm)	Moult score
H_GRONINGEN	5327085	Job	male	2016-06-18	2016-09-03	assumed dead	78	21,337	513	70	383	0000000000
H_GRONINGEN	5336455	Kjell	male	2014-06-04	2014-06-23	assumed dead	20	5,420	540	74	406	5200000000
H_GRONINGEN	5325667	Roelof	male	2014-07-04	2018-07-11	unknown; tracker broken	1,469	781,906	504	69	418	0000000000
H_GRONINGEN	5446465	William	male	2012-05-10	2016-08-11	assumed dead	1,380	178,830	524	72	397
MH_WATERLAND	H185298	Almut	female	2016-06-03	2016-06-13	assumed dead	11	475	656		420
MH_WATERLAND	L143472	Ben	male	2016-05-02	2017-07-15	assumed dead	440	85,924	571		404
MH_WATERLAND	L143451	Jozef	male	2013-06-25	2018-07-28	unknown	1,854	183,985	512	64	402
MH_WATERLAND	H173481	Mia	female	2013-05-16	2013-08-02	assumed dead	78	13,209	785	77	430
MH_WATERLAND	L143457	Peter	male	2013-07-22	2014-09-01	assumed dead	407	62,297	482	65	392
MH_WATERLAND	L143467	Raymond	male	2015-05-26	2016-03-25	found dead in March 2016	305	31,070	472	71	385
MH_WATERLAND	L143473	Walter	male	2016-06-01	2016-06-08	assumed dead	8	950	485		395
MH_ANTWERPEN	H197169	Lilla	female	2019-04-18	2019-07-30	alive	104	28,181	810	80	426	0
MH_ANTWERPEN	L177801	Lillo	male	2019-05-16	2019-05-19	alive	4	17,046	520	72	410	0
MH_ANTWERPEN	H171693	Zuzanna	female	2018-07-18	2018-07-27	unknown	10	2,690	674	77	410	29