|
|
British Population Size:
|
Summer:
3700 to 5500 males
in 2004
|
|
First Record:
Recorded in Medieval times
|
|
Latest Survey:
Conway, G. et al. (2007) Bird Study 54: 98-111
|
|
Conservation Status:
RED
because
Recent Breeding Range Decline (1969-2007)
|
|
Previous Assessments:
2002-2007
RED
1996-2001
RED
|
|
Races of Concern:
europaeus RED (Recent Decline)
|
|
UK Biodiversity Action Plan
(Lead Partner: RSPB)
|
|
|
|
Habitat Occupancy (in the Breeding Season):
|
|
No habitat data from BBS
|
|
|
|
European Population Size:
|
|
Summer:
370 to 700 thousand pairs
|
|
Population Assesment from Birds in Europe
|
|
Distribution in Europe mapped by the EBCC Atlas
|
|
|
|
Listed on the Appendices/Schedules of:
WBD(I), Bern(III)
|
|
|
Breeding and Survival
|
|
Egg Size:
32 x 22 mm
|
Egg Weight:
8.4 g (of which 6 % is shell)
|
|
|
|
Number of Nest Records:
53
(more would be welcome!)
|
|
Clutch Size:
2 eggs
|
1.94 ± 0.25 (1 - 3) N = 461
|
|
Incubation:
18 days
|
18.12 ± 0.69 (17 - 19.5) N = 461
|
by the:
Male + Female
|
Fledging:
18 - 19days
|
17.88 ± 1.10 (16 - 19.5) N = 695
|
as:
Precocial, downy
|
|
Source:
|
British Trust for Ornithology (2005) Nest Record Scheme data
|
|
|
|
|
First Clutches Laid:
23 Jun (23 May - 23 Jul)
|
|
Number of Broods:
1-2
|
|
See trends in Breeding Productivity
|
|
Number Ringed:
Annual Totals
|
|
Adult Survival:
0.700
± 0.050
|
Juvenile Survival:
No data
|
|
|
|
Age at First Breeding:
1
year
|
Typical Lifespan:
4
years
|
|
Maximum Recorded Age:
11 years 8 months 25 days (set in 2011)
|
|
Read a summary of Ringing Recoveries
|
|
|
Biometrics
|
|
Ring Size:
C
|
|
Wing Length
|
Adult:
|
195.9 ± 5.3
Range
179.0 - 214.0 mm, (N = 426)
|
|
|
Juvenile:
|
188.6 ± 7.4
Range
160.0 - 204.0 mm, (N = 304)
|
|
|
Male:
|
195.9 ± 5.1
Range
180.0 - 212.0 mm, (N = 323)
|
|
|
Female:
|
196.0 ± 6.0
Range
179.0 - 214.0 mm, (N = 100)
|
|
|
|
Weight
|
Adult:
|
73.08 ± 7.45
Range
51.00 - 97.00 g , (N =363)
|
|
|
Juvenile:
|
70.8 ± 7.8
Range
43.3 - 101.0 . , (N =285)
|
|
|
Male:
|
71.52 ± 7.00
Range
53.00 - 97.00 g , (N =278)
|
|
|
Female:
|
77.98 ± 7.32
Range
51.00 - 96.50 g , (N =82)
|
|
|
Seasonal:
|
Summer 71.64 ± 6.84 (N = 687)
Autumn 77.96 ± 7.47 (N = 203)
|
|
|
Source:
|
British Trust for Ornithology (2005) Ringing Scheme data
|
|
|
Other Names
|
|
European Nightjar
|
|
|
|
|
|
Gaelic:
Seabhag-oidhche
|
Welsh:
Troellwr
|
|
Danish:
Natravn
|
Dutch:
Nachtzwaluw
|
|
Finnish:
Kehrääjä
|
French:
Engoulevent d´Europe
|
|
German:
Ziegenmelker
|
Hungarian:
Lappantyú
|
|
Icelandic:
Náttfari
|
Irish:
Tuirne Lín
|
|
Italian:
Succiacapre
|
Norwegian:
Nattravn
|
|
Polish:
Lelek zwyczajny
|
Portuguese:
Noitibó da Europa
|
|
Spanish:
Chotacabras gris
|
Swedish:
Nattskärra
|
|
|
|
Local Names:Fern Owl
|
|
|
|
|
For More Information...
|
|
Books and Monographs:
|
|
Holyoak, D.T. 2001 Nightjars and their allies Oxford University Press
[598.72 HOL]
|
|
Tate, P. 1989 The Nightjar Shire Publications, Princes Risborough
[Jour: S]
|
|
|
|
See Also:
|
Find scientific papers on  Google Scholar
or  Scirus by clicking the icon
|
|
Wikipedia entry
|
|
BirdLife species page
|
|
Recent sightings and information from BirdGuides
|
|
Read State of the Nations Birds by Chris Mead
|
|
|
