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Lanius ludovicianus

Citation:

Effect of vegetation height on hunting behavior and diet of loggerhead shrikes

Author(s)
Yosef, Reuven and Thomas C. Grubb, Jr.
Pages
127-131
Year
Volume
95
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Location Sample Size Type
Dietary Composition Odonata (12.1), Hemiptera (23.0), Coleoptera (22.3), Lepidoptera (7.3), Orthoptera (16.8), Hyla cinerea (7.6), H. squirella (1.7), Gastrophyne carolensis (0.9), Rana spenocephala (0.4), Anolis carolinensis (2.8), Scincella lateralis (4.1), Eumeces inexpectatus (1.0) percent of total prey items caught by observed pairs % Both Male and Female Adult Archbold Biological Station near Lake Placid 6 territories Exposure Factor Datasets
Citation:

Nestling diet and prey-delivery rates of loggerhead shrikes (Lanius ludovicianus) in north-central South Carolina

Author(s)
Gawlik, Dale E., Joseph Papp and Keith L. Bildstein
Pages
1-5
Year
Issue
1
Volume
55
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Location Sample Size Type
Dietary Composition Orthoptera (59); Lepidoptera (15); Coleoptera (10); arthropod larvae (8); mammals; reptiles and amphibians (4); unident. arthropods (3) percent of total identified prey items delivered to the nest % Not Reported Nestling York County 1 pair, 155 identified prey Exposure Factor Datasets
Citation:

Densities of loggerhead shrike on study blocks in southeastern Alberta inventoried in both 1993 and 1996

Author(s)
Bjorge, Ronald R., and Henk P.L. Kiliaan
Pages
217-219
Year
Issue
4
Volume
55
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Location Sample Size Type
Population Density 90-96 range of densities over 2 sampling years individuals/ 12 study blocks Not Reported Adult southeastern Alberta 2 sample years Exposure Factor Datasets
Citation:

Loggerhead Shrike (Lanius ludovicianus)

Author(s)
Yosef, Reuven
Pages
1-27
Publisher
The Academy of Natural Sciences and The American Ornithologists' Union
Year
Issue
231
Chemical Exposure Endpoint Type Endpoint Value Life Cycle Stage Toxicity Endpoint Type Type
Time of Migration or Dispersal review Exposure Factor Datasets
Dietary Composition review Exposure Factor Datasets
Metabolic Rate review Exposure Factor Datasets
Territory Size review Exposure Factor Datasets
Time of Nesting review Exposure Factor Datasets
Duration of Incubation or Gestation review Exposure Factor Datasets
Body Weight - Mean review Both Adults and Juveniles Exposure Factor Datasets
Age at Fledging, Metamorphosis, Weaning review Exposure Factor Datasets
Clutches or Litters per year review Exposure Factor Datasets
Clutch or Litter Size review Exposure Factor Datasets
Age at Sexual Maturity review Exposure Factor Datasets
Hatching Success review Exposure Factor Datasets
Fledging or Weaning Rate review Exposure Factor Datasets
Population Density review Exposure Factor Datasets
DIELDRIN review TOX-MORT - dose-response data Toxicity Factor Datasets
Citation:

Trophic accumulation of DDT in a terrestrial food web

Author(s)
Rudd, R.L., R.B. Craig and W.S. Williams
Pages
219-228
Year
Volume
25
Chemical Endpoint Value Endpoint Description Sex Life Cycle Stage Location Sample Size Tox Exposure Toxicity Endpoint Type Tox Exposure Duration Tox Exposure Technique Type
DDD (4,4'-), DDE (4,4'-), DDT (4,4'-) 293.43-820.93 ppm, lipid weight concentrations of DDT, DDE, DDD (combined) in skin and brains, 2 years post-application Not Reported Not Reported 3.2 km NE of Davis 2 birds 0.22 kg DDT/ha TOX-EXP IND - accumulation 1 application experimental application Toxicity Factor Datasets
DDD (4,4'-), DDE (4,4'-), DDT (4,4'-) see figure figure showing concentration of DDT and metabolites in skin and brains before and after application Not Reported Not Reported 3.2 km NE of Davis 27 birds (3-4/sampling time) 0.22 kg DDT/ha TOX-EXP IND - accumulation 1 application experimental application Toxicity Factor Datasets
Citation:

The effects of dieldrin on the behavior of young loggerhead shrikes

Author(s)
Busbee, Everette L.
Pages
28-35
Year
Volume
94
Chemical Endpoint Value Endpoint Description Sex Life Cycle Stage Location Sample Size Tox Exposure Toxicity Endpoint Type Tox Exposure Duration Tox Exposure Technique Type
DIELDRIN increased at 1 mg/kg latency to formation of natural prey killing behaviors Not Reported Juvenile collected in San Diego County, CA 10-11/dose 0, 1 mg/kg bw/d (87% active ingredient) TOX-Non-Repro-Sublethal - behavioral effects until death (max. 103 d) gavage Toxicity Factor Datasets
DIELDRIN increased at 1, 2, 4, 8 mg/kg/d rate of mortality compared with controls Not Reported Juvenile collected in San Diego County, CA 10-11/dose 0, 1, 2, 4, 8 mg/kg bw/d (87% active ingredient) TOX-MORT - dose-response data until death (max. 103 d) gavage Toxicity Factor Datasets
Citation:

DDE residues and eggshell thinning in loggerhead shrikes

Author(s)
Anderson, William L., and Ronald E. Duzan
Pages
215-220
Year
Issue
2
Volume
90
Chemical Endpoint Value Endpoint Description Sex Life Cycle Stage Location Sample Size Tox Exposure Toxicity Endpoint Type Tox Exposure Duration Tox Exposure Technique Type
DDE (4,4'-) 3.09 (0.09 SE) ppm, wet wt concentration in eggs Not Reported Embryo southern IL 20 clutches, 104 eggs 21.04 (3.51 SE) ppm in fat of adult females TOX-EXP IND - accumulation NR parental transfer Toxicity Factor Datasets
DDE (4,4'-) decreased eggshell thickness index compared with reference samples collected in 1875-95 Not Reported Embryo southern IL 20 clutches, 104 eggs 21.04 (3.51 SE) ppm in fat of adult females TOX-REPRO - physiology NR parental transfer Toxicity Factor Datasets
DDE (4,4'-) y = 92.610 - 2.412 log x linear negative correlation of egg DDE concentration and shell thickness Not Reported Embryo southern IL 20 clutches, 104 eggs 21.04 (3.51 SE) ppm in fat of adult females TOX-REPRO - physiology NR parental transfer Toxicity Factor Datasets
Citation:

Effects of fertilizer-induced reduction of invertebrates on reproductive success of loggerhead shrikes (Lanius ludovicianus)

Author(s)
Yosef, Reuven, and Mark A. Deyrup
Pages
307-312
Year
Volume
139
Chemical Endpoint Value Endpoint Description Sex Life Cycle Stage Location Sample Size Tox Exposure Toxicity Endpoint Type Tox Exposure Duration Tox Exposure Technique Type
AMMONIUM NITRATE significantly increased (138.5% +/- 86.1 SD) percent increase in breeding territory size post-spray vs. unsprayed controls Both Male and Female Both Adults and Juveniles MacArthur Agroecology Research Center, Archbold Biological Station 4 control, 8 treatment territories 54 kg/ha application rate TOX-Non-Repro-Sublethal - indirect effects approx. 1 month application to habitat Toxicity Factor Datasets
AMMONIUM NITRATE significantly earlier timing of nesting season termination in pairs post-spray vs. unsprayed controls Both Male and Female Both Adults and Juveniles MacArthur Agroecology Research Center, Archbold Biological Station 4 control, 8 treatment territories 54 kg/ha application rate TOX-Non-Repro-Sublethal - indirect effects approx. 1 month application to habitat Toxicity Factor Datasets
AMMONIUM NITRATE increased loss of eggs, nestlings, fledglings and adults post-spray vs. unsprayed controls Both Male and Female Both Adults and Juveniles MacArthur Agroecology Research Center, Archbold Biological Station 4 control, 8 treatment territories 54 kg/ha application rate TOX-Non-Repro-Sublethal - indirect effects approx. 1 month application to habitat Toxicity Factor Datasets

Lanius ludovicianus ssp. mearnsi

Citation:

Opportunistic foraging behavior of loggerhead shrikes

Author(s)
Scott, Thomas A. and Michael L. Morrison
Pages
186-193
Year
Volume
6
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Location Sample Size Type
Dietary Composition Mollusca (0.00), Crustacea (0.27), Arachnida (0.14), Insecta (14.77), Reptilia (53.29), Mammalia (27.66), Aves (3.86) percent of total prey found in pellets by biomass % Not Reported Not Reported San Clemente Island 1238 pellets Exposure Factor Datasets
Citation:

Natural history and management of the San Clemente loggerhead shrike

Author(s)
Scott, Thomas A. and Michael L. Morrison
Pages
23-57
Year
Issue
2
Volume
4
Exposure Endpoint Type Endpoint Value Endpoint Description Error Range Units Sex Life Cycle Stage Location Sample Size Type
Population Density range in density of pairs, 4 years 1/4.3 to 1/11.6 pairs/km Both Male and Female Adult San Clemente Island 5-13 pairs/year Exposure Factor Datasets
Fledging or Weaning Rate 2.33 mean number of fledglings produced per successful nest 0.34 SD fledglings/nest Not Reported Fledgling San Clemente Island 29 nests Exposure Factor Datasets
Survival/ Mortality 45 percent of fledglings that died before reaching independence from parents % Not Reported Fledgling San Clemente Island 29 nests Exposure Factor Datasets
Territory Size 34 mean pair foraging area during breeding season, 4 years 12 SD ha Both Male and Female Adult San Clemente Island 12 territories Exposure Factor Datasets
Longevity 3 adult life expectancy based on duration of home range occupancy yr Female Adult San Clemente Island Not Reported Exposure Factor Datasets
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