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Lanius ludovicianus

Citation:

Ptilochronology: A potential biomarker for assessing territory quality and habitat suitability in shrikes

Author(s)
Yosef, Reuven and Thomas C. Grubb, Jr.
Pages
276-279
Year
Volume
6
Exposure Endpoint Type Endpoint Value Endpoint Description Range Units Sex Life Cycle Stage Location Sample Size Type
Territory Size range of post-breeding territory size 0.17-14.59 ha Not Reported Adult Archbold Biological Station, Lake Placid 21 territories Exposure Factor Datasets
Foraging Distance 6.5 maximum distance travelled from a fence post to a prey item on ground m Not Reported Adult Archbold Biological Station, Lake Placid 21 territories Exposure Factor Datasets
Foraging Distance 9.2 maximum distance travelled from a cabbage palm to a prey item on ground m Not Reported Adult Archbold Biological Station, Lake Placid 21 territories Exposure Factor Datasets
Citation:

The influence of habtitat degradation on the breeding ecology of loggerhead shrikes Lanius ludovicianus in the shrubsteppe region

Author(s)
Leu, Matthias and David A. Manuwal
Pages
136
Year
Issue
2
Volume
68
Exposure Endpoint Type Endpoint Description Range Units Sex Life Cycle Stage Location Sample Size Type
Survival/ Mortality survival rate of juveniles prior to dispersal from the breeding territory 29-100 % Not Reported Juvenile Yakima Training Center 36 nests Exposure Factor Datasets
Citation:

Nesting habits of the California shrike

Author(s)
Atkinson, William A.
Pages
9-11
Year
Volume
3
Exposure Endpoint Type Endpoint Value Endpoint Description Range Units Sex Life Cycle Stage Sample Size Type
Time of Mating/ Laying late Feb-early Apr period of egg laying Female Adult 1 pair, 4 years Exposure Factor Datasets
Clutch or Litter Size 5-7 eggs/clutch Female Adult 9 clutches Exposure Factor Datasets
Citation:

Status of loggerhead shrikes in the sagebrush habitat of southwestern Idaho

Author(s)
Woods, Christopher P.
Pages
150-154
Year
Volume
6
Exposure Endpoint Type Endpoint Value Endpoint Description Range Units Sex Life Cycle Stage Location Sample Size Type
Population Density range of nesting density, 2 study areas 1 pair/8.9 ha to 1 pair/25 ha Both Male and Female Adult Ada, Elmore, Owyhee Counties 10-19 pairs/study area Exposure Factor Datasets
Age at Sexual Maturity 1 yr Not Reported Adult Ada, Elmore, Owyhee Counties 4 birds Exposure Factor Datasets
Citation:

Nest ecology, productivity, and growth of the loggerhead shrike on the shortgrass prairie

Author(s)
Porter, David K., Mark A. Strong, J. Brent Giezentanner and Ronald A. Ryder
Pages
429-436
Year
Issue
4
Volume
19
Exposure Endpoint Type Endpoint Value Endpoint Description Range Units Sex Life Cycle Stage Location Sample Size Type
Clutches or Litters per year 1 clutches/yr Both Male and Female Adult Pawnee National Grassland 77 pairs Exposure Factor Datasets
Clutch or Litter Size 6.39 average clutch size, 4 years 5-8 eggs/clutch Female Adult Pawnee National Grassland 77 pairs Exposure Factor Datasets
Duration of Incubation or Gestation 16 incubation period d Not Reported Embryo Pawnee National Grassland 330 hatched eggs Exposure Factor Datasets
Age at Fledging, Metamorphosis, Weaning 17 normal fledging period d Not Reported Fledgling Pawnee National Grassland 232 fledged birds Exposure Factor Datasets
Fledging or Weaning Rate 5.40 average number of fledglings produced per nest 4.36-5.88 fledglings/nest Not Reported Fledgling Pawnee National Grassland 65 successful nests Exposure Factor Datasets
Hatching Success 5.69 average number of eggs hatched per successful nest 5.07-6.26 eggs/nest Not Reported Hatchling Pawnee National Grassland 65 successful nests Exposure Factor Datasets
Citation:

Breeding ecology of Lanius ludovicianus nesting in sagebrush

Author(s)
Woods, Christopher P.
Pages
244-250
Year
Volume
6
Exposure Endpoint Type Endpoint Value Endpoint Description Error Range Units Sex Life Cycle Stage Location Sample Size Type
Time of Mating/ Laying Apr-mid Aug period from clutch initiations to chicks fledging Both Male and Female Adult Ada, Elmoor, Owyhee Counties 98 pairs Exposure Factor Datasets
Clutch or Litter Size 6.1 average number of eggs per clutch, 2 years 0.8 SD eggs/clutch Female Adult Ada, Elmoor, Owyhee Counties 84 clutches Exposure Factor Datasets
Fledging or Weaning Rate 5.1 average number of fledglings per sucessful pair 1.5 SD fledglings/pair Not Reported Fledgling Ada, Elmoor, Owyhee Counties 65 pairs Exposure Factor Datasets
Age at Fledging, Metamorphosis, Weaning age at which young left nests 14-19 d Not Reported Fledgling Ada, Elmoor, Owyhee Counties 65 pairs Exposure Factor Datasets
Citation:

Nesting ecology of the loggerhead shrike in southwestern Oklahoma

Author(s)
Tyler, Jack D.
Pages
95-104
Year
Issue
1
Volume
104
Exposure Endpoint Type Endpoint Value Endpoint Description Range Units Sex Life Cycle Stage Location Sample Size Type
Time of Mating/ Laying late Feb (begin), April (peak) time of nesting activity Both Male and Female Adult Lawton, Comanche County 133 pairs Exposure Factor Datasets
Hatching Success 84 average percent of nests that hatched at least 1 young, 4 years 69-95 % Not Reported Hatchling Lawton, Comanche County 133 pairs Exposure Factor Datasets
Fledging or Weaning Rate 60 average percent of nests that fledged at least 1 young, 4 years 46-83 % Not Reported Fledgling Lawton, Comanche County 133 pairs Exposure Factor Datasets
Clutch or Litter Size 5.8 average clutch size, 4 years 5.6-5.9 eggs/clutch Female Adult Lawton, Comanche County 101 nests Exposure Factor Datasets
Duration of Incubation or Gestation 16.9 average incubation period, 4 years 16.6-17.1 d Both Male and Female Embryo Lawton, Comanche County 55 nests Exposure Factor Datasets
Age at Fledging, Metamorphosis, Weaning 16.8 d Not Reported Fledgling Lawton, Comanche County 28 nests Exposure Factor Datasets
Clutches or Litters per year 1-2 clutches/yr Both Male and Female Adult Lawton, Comanche County 122 pairs Exposure Factor Datasets
Survival/ Mortality 64 overall nestling survival rate % Not Reported Nestling Lawton, Comanche County 90 nests Exposure Factor Datasets
Survival/ Mortality 46 calculated probability of survival of any nest from incubation onset to end of fledging % Not Reported Fledgling Lawton, Comanche County 109 nests Exposure Factor Datasets
Citation:

Dynamics of a loggerhead shrike population in Minnesota

Author(s)
Brooks, Bonnie L. and Stanley A. Temple
Pages
441-450
Year
Issue
3
Volume
102
Exposure Endpoint Type Endpoint Value Endpoint Description Error Range Units Sex Life Cycle Stage Location Sample Size Type
Clutches or Litters per year 1-2 clutches/yr Both Male and Female Adult southern Minnesota 48 pairs Exposure Factor Datasets
Clutch or Litter Size 5.65 average clutch size, 2 years 1.17 SD 3-7 eggs/clutch Female Adult southern Minnesota 46 clutches Exposure Factor Datasets
Hatching Success 4.18 average number of eggs hatched per nest 2.33 SD hatchlings/nest Not Reported Hatchling southern Minnesota 51 nests Exposure Factor Datasets
Fledging or Weaning Rate 3.02 average number of fledglings produced per nesting attempt 2.07 SD fledglings/nest Not Reported Fledgling southern Minnesota 60 nesting attempts Exposure Factor Datasets
Survival/ Mortality 0.47 annual adult survival (based on reoccupancy rate from the previous year), over 3 years Both Male and Female Adult southern Minnesota 16-37 territories/year Exposure Factor Datasets
Citation:

Habitat selection and breeding biology of loggerhead shrikes in eastern Ontario and Quebec

Author(s)
Chabot, Amy, Rodger D. Titman and David M. Bird
Pages
155-156
Year
Volume
6
Exposure Endpoint Type Endpoint Value Endpoint Description Range Units Sex Life Cycle Stage Location Sample Size Type
Clutch or Litter Size average clutch sizes, 2 years 4.91-5.56 eggs/clutch Female Adult eastern Ontario, Quebec 27-52 pairs/yr Exposure Factor Datasets
Duration of Incubation or Gestation 17 average incubation period, 2 years 15-20 d Not Reported Embryo eastern Ontario, Quebec 27-52 pairs/yr Exposure Factor Datasets
Hatching Success average number of hatchlings per nest, 2 years 4.20-5.42 hatchlings/nest Not Reported Hatchling eastern Ontario, Quebec 27-52 pairs/yr Exposure Factor Datasets
Age at Fledging, Metamorphosis, Weaning 14-16 d Not Reported Fledgling eastern Ontario, Quebec 27-52 pairs/yr Exposure Factor Datasets
Fledging or Weaning Rate average number of young surviving to fledge per nest, 2 years 3.90-4.17 fledglings/nest Not Reported Fledgling eastern Ontario, Quebec 27-52 pairs/yr Exposure Factor Datasets
Clutches or Litters per year 1-2 clutches/yr Both Male and Female Adult eastern Ontario, Quebec 27-52 pairs/yr Exposure Factor Datasets
Citation:

Resource dependence and territory size in loggehead shrikes (Lanius ludovicianus)

Author(s)
Yosef, Reuven and Thomas C. Grubb, Jr.
Pages
465-469
Year
Issue
2
Volume
111
Exposure Endpoint Type Endpoint Value Endpoint Description Error Units Sex Life Cycle Stage Location Sample Size Type
Territory Size 9.3 3.8 SD ha Both Male and Female Adult Archbold Biological Station, Highlands County 10 pairs Exposure Factor Datasets
Fledging or Weaning Rate 1.1 mean number of fledglings produced per nesting attempt fledglings/nest Not Reported Fledgling Archbold Biological Station, Highlands County 24 clutches Exposure Factor Datasets
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