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Grasshopper Warbler Locustella naevia [Boddaert, 1783]
Other Names
Trends & Distribution
Breeding & Survival
Biometrics
Books & Links
Order:
Passeriformes
Family:
Sylviidae
BTO Codes:
GH , GRAWA
EURING No:
12360
Number in Britain:
11 thousand pairs (Summer)
Conservation Status:
UK:
RED
European:
Not a species of concern
Global:
Least Concern
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Status in UK:
(A) Migrant Breeder, Passage Visitor
Subspecies:
naevia recorded in Britain (of 4 subsp. in the world)
.
Length:
13 cm
Wingspan:
17 cm
Weight:
M/F: 14 g
Scientific name from:
L.: Locustella =little grasshopper
and L.: naevius =spotted
World Distribution:
BREEDS: Eurasia, WINTERS: n Africa to India
Habitat:
Marsh, moor, open woodland
Diet:
mainly insects, hunts restlessly through vegetation
TitBit:
The distinctive sound of this bird has been variously likened, the sound made by insects, mill wheels, spinning wheels and fishing reels, reflecting technological progress more than a change in the bird's song
Population and Distribution
Population Trend:
Regional Trends:
No regional trends available
Distribution:
New Atlas )
British Population Size:
Summer:
11 thousand pairs
in 1988-91
Note: Best estimate
First Record:
1678
Habitat Occupancy (in the Breeding Season):
Most frequent in:
Reedbed
Relative Frequency in Each Habitat:
Average Day of First Arrival:
13 Apr
European Population Size:
Summer:
340 to 700 thousand pairs
Birds in Europe
Listed on the Appendices/Schedules of:
Bern(III), Bonn(II)
Survey Results:
Breeding and Survival
Egg Size:
18 x 14 mm
Egg Weight:
1.7 g (of which 6 % is shell)
Number of Nest Records:
6
Clutch Size:
5 - 6 eggs
5.55 ± 0.85 (3 - 7) N = 119
Incubation:
14 days
14.07 ± 0.59 (13 - 16) N = 119
by the:
Male + Female
Fledging:
12 - 13 days
11.77 ± 0.93 (10 - 13) N = 183
as:
Altricial, downy
Source:
British Trust for Ornithology (2005) Nest Record Scheme data
First Clutches Laid:
21 May (6 May - 7 Jul)
Number of Broods:
2
Trends in Breeding Productivity
Number Ringed:
883
Adult Survival:
No data
Juvenile Survival:
No data
Age at First Breeding:
1
year
Typical Lifespan:
No data
Maximum Recorded Age:
5yr0m
Biometrics
Ring Size:
A
Wing Length
Adult:
63.8 ± 1.7
Range
61 - 67 mm, N =790
Juvenile:
64.2 ± 1.6
62 - 67 mm, N =2655
Male:
64.6 ± 1.6
62 - 67 mm, N =221
Female:
63.3 ± 1.6
61 - 66 mm, N =95
Weight
Adult:
13.26 ± 1.13
Range
11.50 - 15.20 g , N =725
Juvenile:
13.08 ± 1.09
11.50 - 15.00 g , N =2601
Male:
13.05 ± 0.93
11.70 - 14.70 g , N =193
Female:
13.56 ± 1.46 .
11.50 - 16.20 g , N =85
Source:
British Trust for Ornithology (2005) Ringing Scheme data
Other Names
Common Grasshopper Warbler
Gaelic:
Ceileiriche-leumnach
Welsh:
Troellwr Bach
Danish:
Græshoppesanger
Dutch:
Sprinkhaanzanger
Finnish:
Pensassirkkalintu
French:
Locustelle tachetée
German:
Feldschwirl
Hungarian:
Réti tücsökmadár
Icelandic:
Engisöngvari
Irish:
Ceolaire Casarnaí
Italian:
Forapaglie macchiettato
Norwegian:
Gresshoppesanger
Polish:
Swierszczak zwyczajny
Portuguese:
Felosa-malhada
Spanish:
Buscarla pintoja
Swedish:
Gräshoppsångare
Local Names: Reeler
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Books and Monographs:
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See Also:
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