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Breeding Bird Survey
Common Birds Census
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Nest Record Scheme
Waterways Bird Survey
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Summary
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HOBBY Falco subbuteo
 
Conservation Listings Long term trend

Unlisted/Green
Biodiversity Steering Group
Conservation Concern List

UK: Increase

 
Status Summary
This species is poorly monitored by standard BTO monitoring schemes due to its low population density and unobtrusive habits. Its distribution has increased markedly northwards in England since the 1970s (Gibbons et al. 1993), perhaps linked to increases in its dragonfly prey supplies (Prince & Clarke 1995) and a decreasing dependency on its traditional heathland habitat. Small annual samples of nest record cards only permit analysis of brood size, which appears not to have changed substantially over the last 30 years.
 

Annual breeding population changes for this species
are not currently monitored by BTO

Table of productivity information for Hobby
Variable Period
(yrs)
Years Mean
annual
sample
Trend Predicted
in first year
Predicted
in last year
Change Comment
Brood size 30 1968-1998 15 None       Small sample
 
Insufficient data on clutch size
available for this species

 

Insufficient data on nest failure
available for this species

 

 

Insufficient data on nestling failure
available for this species

 

 

Insufficient data on laying date
available for this species

 

 

Insufficient data on CES
available for this species

 

   




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Last updated: 7 March, 2001

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