Publications for Dr Allan Perkins

Seed food preferences of granivorous farmland passerines

Large buntings prefer cereal grains whilst sparrows also take oily seeds. To determine seed food preferences of tree sparrow Passer montanus and corn bunting Emberiza calandra.

Date
01 January 2007
RSPB Authors
Dr Guy Anderson, Dr Allan Perkins, Prof Jeremy Wilson
Authors
Perkins, A.J., Anderson, G. & Wilson, J.D.
Published in
Bird Study
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Use of time-lapse video cameras to determine causes of nest failure of Slavonian Grebes Podiceps auritus

Few clutches were predated, with Otter Lutra lutra the most frequent predator filmed. To determine the rate of nest predation and identify predators of the Slavonian Grebe Podiceps auritus in Scotland...

Date
01 January 2005
RSPB Authors
Dr Allan Perkins, Nigel Butcher, Dr Ron Summers, Dr Mark Hancock
Authors
Perkins, A.J., Hancock, M.H., Butcher, N. & Summers, R.W.
Published in
Bird Study
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Does organic farming benefit biodiversity?

The intensification and expansion of modern agriculture is amongst the greatest current threats to worldwide biodiversity. Over the last quarter of the 20th century, dramatic declines in both range and...

Date
01 January 2005
RSPB Authors
Dr Allan Perkins, Prof Jeremy Wilson
Authors
Hole, D.G., Perkins, A.J., Wilson, J.D., Alexander, I.H., Grice, F. & Evans, A.D.
Published in
Biological Conservation
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Habitat and weather are weak correlates of nestling condition and growth rates of four UK farmland passerines

Agricultural intensification is believed to have driven declines of farmland bird populations and the invertebrates and weeds on which they feed. We investigated whether habitat and weather, as surrog...

Date
01 January 2003
RSPB Authors
Dr Richard Bradbury, Dr Tony Morris, Dr Allan Perkins, Prof Jeremy Wilson
Authors
Bradbury, R. B. and colleagues
Published in
Ibis
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Chaffinch Fringilla coelebs foraging patterns, nestling survival and territory distribution on lowland farmland

Numbers of many bird species which breed ore farmland, arid are reliant ore cropped land for feeding or nesting, declined between the 1960s and 1990s. In contrast, chaffinch Fringilla coelebs numbers ...

Date
01 January 2001
RSPB Authors
Dr Richard Bradbury, Dr Tony Morris, Dr Allan Perkins, Prof Jeremy Wilson
Authors
Whittingham, M. J. and colleagues
Published in
Bird Study
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Microsatellite variation in the yellowhammer Emberiza citrinella: population structure of a declining farmland bird

In recent years, there has been much concern in the UK about population declines of widespread species in agricultural habitats. Conservation-orientated research on declining birds has focused on vita...

Date
01 January 2001
RSPB Authors
Dr Richard Bradbury, Dr Allan Perkins, Prof Jeremy Wilson
Authors
Lee, P. L. M. and colleagues
Published in
Molecular Ecology
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Habitat associations and breeding success of yellowhammers on lowland farmland

1. Yellowhammers began to decline on British lowland farmland in the late 1980s and losses are presently 10% per year. This study examined variation in the habitat selection and breeding success of ye...

Date
01 January 2000
RSPB Authors
Dr Richard Bradbury, Dr Allan Perkins, Dr Tony Morris, Prof Jeremy Wilson
Authors
Bradbury, R. B. and colleagues
Published in
Journal of Applied Ecology
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Habitat characteristics affecting use of lowland agricultural grassland by birds in winter

Almost a third of the bird species designated as Species of European Conservation Concern exploit agricultural grasslands, yet few studies have focused on their use as foraging habitats for birds. Thi...

Date
01 January 2000
RSPB Authors
Dr Allan Perkins, Dr Richard Bradbury, Dr Tony Morris, Prof Jeremy Wilson
Authors
Perkins, A. J. and colleagues
Published in
Biological Conservation
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