Survival of Ring-Necked Pheasant Chicks during Brood Rearing

Riley, Terry Z.; Clark, William R.; Ewing, Dean E.; Vohs, Paul A.

doi:10.2307/3802262

Cited by 60 publications

(69 citation statements)

References 16 publications

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“…We located hens with broods for 21 days after hatch, as previous studies have suggested that pheasant population growth is sensitive to chick survival during the first 2-4 weeks after hatch (reviewed by Riley et al 1998). At 10 days post-hatch, we located the roost site of the hen at night and flagged the general area.…”

Section: Nest and Brood Monitoringmentioning

confidence: 99%

“…We estimated visual obstruction readings (VOR) to the nearest 0.25 dm at both nest and random sites (Robel et al 1970). We used the location of the hen as the location of the brood, following Riley et al (1998); they used hen locations to represent chicks that were within a similar-sized error polygon. For every third location estimate, we recorded percent canopy and VOR at a random point inside the 18-m radius and 1 random point at least 50 m from the brood location.…”

Section: Habitat and Vegetation Samplingmentioning

confidence: 99%

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Ring‐necked pheasant hens select managed Conservation Reserve Program grasslands for nesting and brood‐rearing

2012

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The Conservation Reserve Program (CRP) has provided critical wildlife habitat for many species since 1985. However, the quality of this habitat for early successional species, such as ring‐necked pheasant (Phasianus colchicus), may decrease with field age. Late successional grasslands may lack valuable vegetative and structural diversity needed by pheasants, especially during nesting and brood‐rearing stages. Since 2004, the United States Department of Agriculture has required new CRP contracts to include plans for mid‐contract management, which could include discing and interseeding. The benefits of such practices have not been assessed, and continuation of current policy could be affected by the lack of information to support such practices. During 2005–2006 we evaluated nesting and brood‐rearing habitat used by radio‐marked hen pheasants in areas of northeastern Nebraska where portions of CRP fields had been recently disced and interseeded with legumes. Pheasant hens selected managed portions of CRP fields for both nesting and brood‐rearing. Hens selected nest sites with greater forb cover and vertical density. Hens with broods also selected sites with greater forb composition. Discing and legume interseeding appeared to be an effective strategy for increasing pheasant use of CRP fields. © 2012 The Wildlife Society.

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Section: Nest and Brood Monitoringmentioning

confidence: 99%

Section: Habitat and Vegetation Samplingmentioning

confidence: 99%

Ring‐necked pheasant hens select managed Conservation Reserve Program grasslands for nesting and brood‐rearing

2012

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“…Radio-tagging has been used to study chick mortality in ducks (Korschgen et al 1996;Pietz et al 2003), gamebirds (Riley et al 1998;Larson et al 2001), bustards (Combreau et al 2002) and shorebirds (Miller and Knopf 1993;Grant et al 1999;PearceHiggins and Yalden 2003;Ratcliffe et al 2005;Bolton et al 2007). A potential drawback of radio-tagging is that the transmitters may affect the chicks' behaviour or physiology and reduce their survival prospects.…”

Section: Introductionmentioning

confidence: 99%

Mortality of Black-tailed Godwit Limosa limosa and Northern Lapwing Vanellus vanellus chicks in wet grasslands: influence of predation and agriculture

Schekkerman

Teunissen

Oosterveld³

2008

J Ornithol

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Grassland-breeding shorebirds show widespread declines due to a reduction in breeding productivity following agricultural intensification. However, there is also concern that increasing predation causes further declines or precludes population recovery. Predation may itself be enhanced by agriculture through changes in habitat or food availability, but little is known about the mortality of nidifugous shorebird chicks. We studied mortality by radio-tagging 662 chicks of Black-tailed Godwit Limosa limosa and Northern Lapwing Vanellus vanellus in 15 farmland sites in the Netherlands. Tagging and handling had no effect on the condition and survival of godwit chicks, but body condition was reduced by 6-11% in lapwing chicks wearing a tag for longer than 3 days. Fledging success was 0-24% in both species. Mortality was highest in young chicks but remained considerable until after fledging. Losses were traced mostly to predators (70-85%; 15 species, predominantly birds), but at least 5-10% were due to mowing, and 10-20% were due to other causes, including entrapment in ditches and starvation. Chicks staying in fields that were cut before the next radio check were found much more often as mowing victims and somewhat more often as prey remains than chicks in fields not cut, indicating that predation includes a limited amount of scavenging. The predation hazard for godwit chicks was higher in recently cut or grazed fields than in the tall, uncut grasslands they preferred, while that for lapwing chicks was lowest in grazed fields. In godwit chicks, poor body condition increased mortality risk, not only from starvation but also from other causes. Predation on godwit chicks was thus enhanced by intensive farming through a decline in the availability of cover, augmented by a reduced body condition, possibly due to food availability problems. Changes in farming practice may therefore help reduce predation pressure, though the observed interactions explained only part of the high predation rate in godwits and none in lapwings. Predator abundance has increased in Dutch wet grassland regions, and chick predation has become a factor that should be considered in planning the type and location of conservation measures.

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“…They found survival probability of early-, mid-, and late-season nests was 0.77, 0.61, and 0.19, respectively. Later ring-necked pheasant (Phasianus colchicus) hatches resulted in smaller clutch sizes, lower chick weights, and reduced chick survival (Riley et al 1998). …”

Section: Nestingmentioning

confidence: 99%

Wild Birds, a Source of Reticuloendotheliosis Virus Infection for the Endangered Attwater's Prairie-Chicken (Tympanuchus cupido attwateri)?

Ferro¹,

Morrow

Flanagan³

et al. 2017

Journal of Wildlife Diseases

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Survival of Ring-Necked Pheasant Chicks during Brood Rearing

Cited by 60 publications

References 16 publications

Ring‐necked pheasant hens select managed Conservation Reserve Program grasslands for nesting and brood‐rearing

Ring‐necked pheasant hens select managed Conservation Reserve Program grasslands for nesting and brood‐rearing

Mortality of Black-tailed Godwit Limosa limosa and Northern Lapwing Vanellus vanellus chicks in wet grasslands: influence of predation and agriculture

Wild Birds, a Source of Reticuloendotheliosis Virus Infection for the Endangered Attwater's Prairie-Chicken (Tympanuchus cupido attwateri)?

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