Rep. Lundy Field Soc. 56 PUFFIN NUMBERS ON LUNDY


Between April and August 2006 a study was carried out to ascertain the number of puffins on Lundy, whether they were breeding and if so, where and how many ...

Rep. Lundy Field Soc. 56

PUFFIN NUMBERS ON LUNDY DURING SUMMER 2006

By NICOLA SAUNDERS AND SOPHIE WHEATLEY

Lundy, Bristol Channel, EX39 2L Y

ABSTRACT

Between April and August 2006 a study was carried out to ascertain the number of puffins on Lundy, whether they were breeding and if so, where and how many breeding pairs were present. The 2006 survey showed activity at seven different burrows at St. Phillip's Stone. The highest number of puffins seen at once was eleven 1 on 13 July, and five puffins were photographed togethe~ (Figure 2). A puffin was also observed delivering food to a burrow indicating that a chick was present. 1

2

Grant Sherman 13 July 2006 Stuart Leavy

INTRODUCTION

This report contains the results of a simple land based survey, using the methodology of Davey (1997). The wardens spent time locating puffin burrows and monitoring activity. Visitor sightings have been extracted from the LFS logbook to supplement the data obtained from the surveys.

METHODOLOGY Simple Puffin Survey Surveys were conducted from land using 1Ox35 binoculars and 45x telescope at fixed viewing points. These fixed points allowed views of the cliffs, sidelands and the sea from the Battery, around the North End and at Brazen Ward. Observation effort (time) at each location was recorded and all puffins that were seen on land , at sea or in flight were recorded. These data are given in Table 1. Location Survey- St Phillip's Stone In addition to the above a concentrated effort was made at St. Phillip's Stone as active burrows were identified. Observation effort was recorded and activity monitored at the site. The site was photographed (Figure 1) and active burrows were labelled in order that observations could be made at individual burrow sites.

RESULTS Site checks were made at St Phillip's Stone on 19 June 2006, 3 July 2006 , 11 July 2006, 20 July 2006 and 2 August 2006 . Observations were made and puffin

50

movements were recorded. Details of these observations are recorded in table 2. The locations of the burrows at St Phillip's Stone are shown in Figure 1. Seven burrows were identified , with burrows C, D and E being the most active. The observation of five puffins ·at St Phillip's Stone is shown in Figure 2. It is worth noting that on 20 July a puffin was observed taking food into burrow E, indicating that a chick was present. Logbook Records . A total of 217 sighting were recorded in · the LFS Bird· Logbook between April and August 2006. The first sighting of the year was on 7 April and the last on 28 July. A chart showing the time distribution of the recorded sightings is presented in Figure 3.

CONCLUSIONS AND RECOMMENDATIONS

Activity at St. Phillip's Stone was fairly high. Burrow A was reported to be occupied early in the season before the· surveys commenced, but no further activity at this burrow was observed during any of the surveys. The observations have shown No chicks were seen , but activity at seven different burrows at St. Phillip's Stone. successful breeding can be assumed at burrow E because of the delivery of fish. No land-based sightings were recorded at any time, except for those at St. Phillip's Stone. It is proposed that a similar survey, with the aim of ascertaining burrow activity and A breeding success, should take place next year in order to increase the data set. site visit should be considered to check the burrows in mid May and again in mid July to ascertain the productivity of the colony. It is possible that there may be other nest site locations around the island, although none were identified this year. A greater effort should be made In 2007 to observe different locations where historically puffins have been known to nest.

ACKNOWLEDGEMENTS

Special thanks to Grant Sherman for assistance with the puffin surveys, and his photographic expertise which provided us with the site photograph of St. Philip's Stone used as the baseline for mapping the burrow sightings. Thanks also to Stuart Leavy for his photographs of puffins.

REFERENCES

Campey, R J. 1989. Puffin numbers on Lundy during June 1989. Annual Report of the Lundy Field Society 40, 28-30. Griffith, S. 1995. Puffin numbers on Lundy during June 1995. Annual Report of the Lundy Field Society46, 27-28. Davey, E. 1997. Puffin numbers on Lundy during Summer 1997. Annual Report of the Lundy Field Society 48, 29-30.

51

(]1

N

12-Apr-06

17-May-06

29-May-06

Battery Point

0

0

0

Needle Rock

0

0

0

0

Jenny's Cove (South) ·

0

0

0

0

Jenny's Cove (North)

0

0

0

0

St Phillip's Stone

0

0

3

5

St John's Stone

0

0

Bird Island

0

0

0

North West Point

0

0

0

North East Point

0

0

0

Gannets' Rock

0

0

0

Brazen Ward

0

0

0

Total per survey

0

3

5

,........._,

Table 1.

0

._. ..

Simple Puffin survey.

j

19-Jun-06 ,,

0

= No data collected

The number of Puffins observed at each location.

19-Jun-06

03-Jul-06

11-Jul-06

20-Jul-06

02-Aug~06

Observation effort (h)

01 :00

02:15

03:30

02:30

02:00

Start time

08:30

05:15

05:15

09:30

13:30

End time

09:30

07:30

08:45

12:00

15:30

I I Confirmed burrow activity (}1

w

I I I

A

0

0

0

0

0

B

1

0

1

0

0

c

1

2

2

0

0

D

1

1

1

0

0

E

1

2

2

1F

0

F

0

0

2

1

0

G

1

0

1

0

0

H

0

0

0

1

0

Maximum number of puffins recorded at sea

0

0

0

3

1

Maximum number seen at once

3

5

3

2

1

F = Observed with fish Table 2.

Summary of results for St. Phillip's Stone surveys.

_.:._

c

C1l

E Q; . .c (f)

c

~

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