Treecreeper Certhia familiaris [Linnaeus, 1758] |
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| Jump to: Other Names | Trends & Distribution | Breeding & Survival | Biometrics | Books & Links |
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For details point at or click the |
Page updated:16-January-2013 |
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Order:
Passeriformes
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Family: Certhiidae |
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BTO Codes:
TC, TREEC
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EURING No: 14860 | |
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Number in Britain:
204 thousand territories (Summer)
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Conservation Status:
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| Links to: Images Videos Sound | ||
Status in UK:
(A) Resident Breeder
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Subspecies:
britannica (R), familiaris (S) recorded in Britain (of 13 subsp. in the world)
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Length:
12 cm
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Wingspan: 19 cm |
Weight:
M/F: 10 g
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Scientific name from:
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Gr.: kerthios=small tree-dwelling bird described by Aristotle and others and L.: familiaris-familiar |
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World Distribution:
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Europe, n&c Asia |
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Habitat:
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Forest, woodland |
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Diet:
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Insects and spiders also pine/spruce seeds in winter, from crevices in trunk, feeds going up tree |
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Population and Distribution |
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British Population Size:
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Summer:
204 thousand territories
in 2000
Note: Best estimate
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First Record:
Recorded in Medieval times
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Conservation Status:
GREEN
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Previous Assessments:
2002-2007
GREEN
1996-2001
GREEN
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| Races of Concern: britannica AMBER (Important Population) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Habitat Occupancy (in the Breeding Season):
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| Most frequent in: Deciduous Wood | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| And found in: Coniferous Wood | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
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European Population Size:
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Summer:
3.7 to 7 million pairs
(Trend in Numbers)
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| Population Assesment from Birds in Europe | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Distribution in Europe mapped by the EBCC Atlas | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Listed on the Appendices/Schedules of:
Bern(III)
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Breeding and Survival |
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Egg Size:
16 x 12 mm
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Egg Weight: 1.2 g (of which 6 % is shell) | ||||
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Number of Nest Records:
55
(more would be welcome!)
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Clutch Size:
5 - 6 eggs
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5.24 ± 1.07 (2 - 9) N = 498
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Incubation:
13- 17 days
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14.55 ± 2.06 (11.5 - 17.5) N = 498 | by the: Female |
Fledging:
15 - 17days
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15.54 ± 1.69 (12 - 18.5) N = 931 |
as:
Altricial, downy
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First Clutches Laid:
27 Apr (5 Apr - 29 May)
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Number of Broods:
2
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| See trends in Breeding Productivity | |||||
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Number Ringed:
Annual Totals
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Adult Survival:
0.477
± 0.050
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Juvenile Survival:
No data
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Age at First Breeding:
1
year
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Typical Lifespan:
2
years
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Maximum Recorded Age:
8 years 0 months 18 days (set in 1987)
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| Read a summary of Ringing Recoveries | |
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Biometrics |
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Ring Size:
AA
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Wing Length
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Adult: | 63.1 ± 2.1 Range 53.0 - 71.0 mm, (N = 2126) |
| Juvenile: | 62.9 ± 2.1 Range 53.0 - 73.0 mm, (N = 10629) | |
| Male: | 64.3 ± 1.6 Range 54.0 - 71.0 mm, (N = 422) | |
| Female: | 61.9 ± 1.8 Range 56.0 - 68.0 mm, (N = 293) | |
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Weight
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Adult: | 8.79 ± 0.69 Range 7.00 - 11.40 g , (N =1762) |
| Juvenile: | 8.6 ± 0.6 Range 6.1 - 11.4 . , (N =9271) | |
| Male: | 8.93 ± 0.49 Range 7.20 - 10.50 g , (N =360) | |
| Female: | 8.88 ± 0.89 Range 7.10 - 11.40 g , (N =226) | |
| Seasonal: | Summer 8.87 ± 0.62 (N = 1351) Autumn 8.98 ± 0.67 (N = 345) Winter 8.80 ± 0.63 (N = 1781) | |
| Source: | British Trust for Ornithology (2005) Ringing Scheme data | |
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Other Names |
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| Eurasia Treecreeper | |
| Gaelic: Snàgair | Welsh: Dringwr bach |
| Danish: Træløber | Dutch: Taigaboomkruiper |
| Finnish: Puukiipijä | French: Grimpereau des bois |
| German: Waldbaumläufer | Hungarian: Hegyi fakusz |
| Icelandic: Skógfeti | Irish: Snag |
| Italian: Rampichino alpestre | Norwegian: Trekryper |
| Polish: Pelzacz lesny | Portuguese: Trepadeira-do-bosque |
| Spanish: Agateador norteño | Swedish: Trädkrypare |
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For More Information... |
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Books and Monographs:
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| No books written recently | |
| See Also: | |
Find scientific papers on  Google Scholar
or  Scirus by clicking the icon
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| Wikipedia entry | |
| BirdLife species page | |
| Recent sightings and information from BirdGuides | |
| Read State of the Nations Birds by Chris Mead | |
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