RttIoP - St Philip's Stone 2008

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Feeding ecology of Common Guillemots on Lundy

St Philip's Stone 2008
Transcripts - 2010

Provisioning rates in 2008 Preliminary provisioning rate of 0.2 feeds per chick hour
(40 feeds / 202 chick.hours = 0.8 feeds per chick per 4 hours).
Parental attendance in 2008
Feeding-trip duration in 2008 Preliminary data - 5 timed feeds out of 30 (17%). Mean duration of timed feeds = 41m24s, median duration = 37m.
Chick diet in 2008
Productivity in 2008 There were at least 17 focal sites. 9 sites produced chicks that either fledged, or were of fledging age (+15days old) when last seen. This gives a productivity of no more than 53%.

Transcripts

20/07/08 ? chicks
G080720A: 07h56m15s - 08h58m45s
G080720D: 19h12m43s - 20h15m10s

14/07/08 3-4? chicks. No audio
G080714A: 07h12m25s - 08h12m: 1 feed
G080714B: 08h13m24s - 09h13m: no feeds

13/07/08 5? chicks. No audio
G080713A: 06h08m - 07h07m: no feeds
G080713B: 07:08:03 - 08:08:08 1 feed
G080713C: 08:08:39 - 09:08:52 no feeds
G080713D: 09h09m - 10m09m: 1 feed

11/07/08 8 chicks
G080711E: 13h55m - 14h55m: 4 feeds
G080711F: 14h55m - 15h58m: 3? feeds
G080711G: 15h58m - 16h58m: 2 feeds
G080711H: 16h59m - 18m03m: 3 feeds

G080710: 19h29m - 20h31m: 8? chicks

08/07/08 9 chicks. No audio
G080708A: 07:39:09 - 08:39:15 (1+)1 feed6:8
G080708B: 08:40:19 - 09:42:52 1(+1) feed

04/07/08 9 chicks. Stereo audio
G080704A: 05:10:02 - 06:10:38, 6 feeds
G080704B: 06:11:14 - 07:11:15 2 feeds
G080704C: 07:12:12 - 08:12:12 1 feed
G080704D: 08:12:50 - 09:12:51 no feeds

01/07/08 9 chicks. No audio
G080701C: 07:02:38 - 08:02:41 2 feeds
G080701D: 08:03:56 - 09:05:54 1 feed

30/06/08 9 chicks
G080630B: 08:27:08 - 09:27:31 2 feeds
G080630C: 09:28 - 10:28: 2 feeds

G080629: 19h32m - 20h33m: ~9 chicks, 1 feed

24/06/08 5-6 chicks. Stereo audio
G080624A: (08:01:19) 08:01:25 - 09:01:25 (09:01:28), (1+)1 feed
G080624B: (09:02:46) 09:03:00 - 10:03:00 (10:05:18) no feeds

G080623: 19h49m - 20h52m: 5? chicks, 2? feeds

Other years

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Feeding ecology of Common Guillemots on Lundy

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