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Sterna antillarum ssp. browni

Citation:

Status of the least tern at Camp Pendleton, California

Author(s)
Swickard, Deane K.
Pages
49-58
Year
Volume
3
Exposure Endpoint Type Endpoint Description Range Units Sex Life Cycle Stage Location Sample Size Type
Clutch or Litter Size range of average clutch sizes over 2 years 1.72-2.22 eggs/clutch Not Reported Both Adults and Juveniles Santa Margarita River at Camp Pendleton 230-336 nests Exposure Factor Datasets
Hatching Success proportion of eggs hatched of total eggs laid over 2 years 60.8-79.9 % Not Reported Hatchling Santa Margarita River at Camp Pendleton 419-734 eggs Exposure Factor Datasets
Survival/ Mortality estimated annual mortality rate for two years based on juvenile censuses 56-74 % Not Reported Juvenile Santa Margarita River at Camp Pendleton 92-195 birds counted Exposure Factor Datasets
Citation:

Reproduction and breeding success of California least terns in Jalisco, Mexico

Author(s)
Garcia, Andres, and Gerardo Ceballos
Pages
1084-1087
Year
Volume
97
Exposure Endpoint Type Endpoint Value Endpoint Description Range Units Sex Life Cycle Stage Location Sample Size Type
Time of Mating/ Laying May to Aug beginning to end of nesting period Both Male and Female Adult Cuixmala Beach [19 deg, 22'14"N, 104 deg 59'31"W] 1 colony Exposure Factor Datasets
Population Density 40 density of nests at one colony nests/1400 m^2 Both Male and Female Adult Cuixmala Beach [19 deg, 22'14"N, 104 deg 59'31"W] 1 colony Exposure Factor Datasets
Clutch or Litter Size range of average clutch sizes, 2 years 1.38-2.1 eggs/clutch Female Adult Cuixmala Beach [19 deg, 22'14"N, 104 deg 59'31"W] 16-58 nests/year Exposure Factor Datasets

Sterna antillarum

Citation:

Post-fledging departure from colonies by juvenile Least Terns in Texas: implications for estimating production

Author(s)
Thompson, Bruce C., and R. Douglas Slack
Pages
309-313
Year
Issue
2
Volume
96
Exposure Endpoint Type Endpoint Value Endpoint Description Error Range Units Sex Life Cycle Stage Location Sample Size Type
Fledging or Weaning Rate 76.8 estimated survival rate of banded juveniles 2.0 2SE % Not Reported Fledgling Aransas and San Patricio Counties Not Reported Exposure Factor Datasets
Fledging or Weaning Rate estimated fledgling production among 4 colonies 24/88 to 104/112 fledglings/breeding pairs Not Reported Fledgling Aransas and San Patricio Counties 26-140 pairs/colony Exposure Factor Datasets

Lanius ludovicianus

Citation:

The effects of fencelines on the reproductive success of loggerhead shrikes

Author(s)
Yosef, Reuven
Pages
281-285
Year
Issue
1
Volume
8
Exposure Endpoint Type Endpoint Value Endpoint Description Error Range Units Sex Life Cycle Stage Location Sample Size Type
Clutch or Litter Size 3.8 average clutch size 0.8 SD 2-5 eggs/clutch Female Adult Archbold Biological Station 64 clutches Exposure Factor Datasets
Duration of Incubation or Gestation range of average incubation periods, in two habitats, for successful nests 14.7-15.1 d Not Reported Embryo Archbold Biological Station 64 clutches Exposure Factor Datasets
Age at Fledging, Metamorphosis, Weaning range of average nestling periods, in two habitats, for successful nests 15.6-15.8 d Not Reported Fledgling Archbold Biological Station 64 clutches Exposure Factor Datasets
Hatching Success 1.8 average number of hatchlings per nest 2.0 SD hatchlings/nest Not Reported Hatchling Archbold Biological Station 64 clutches, 245 eggs Exposure Factor Datasets
Fledging or Weaning Rate 1.4 average number of fledglings produced per nest 1.7 SD fledglings/nest Not Reported Fledgling Archbold Biological Station 64 clutches, 245 eggs Exposure Factor Datasets
Clutches or Litters per year number of second clutches laid per season 1-2 clutches/yr Both Male and Female Adult Archbold Biological Station 27 pairs Exposure Factor Datasets
Survival/ Mortality 13.0 estimated probability of an egg surviving to hatch in fenceline areas 0.2 SD % Not Reported Embryo Archbold Biological Station 39 clutches Exposure Factor Datasets
Survival/ Mortality 64.0 estimated probability of an egg surviving to hatch in pasture areas 30.1 SD % Not Reported Embryo Archbold Biological Station 25 clutches Exposure Factor Datasets
Survival/ Mortality 67.0 estimated probability of a nestling surviving to fledge in fenceline areas 1.8 SD % Not Reported Nestling Archbold Biological Station 39 clutches Exposure Factor Datasets
Survival/ Mortality 73.0 estimated probability of a nestling surviving to fledge in pasture areas 28.8 SD % Not Reported Nestling Archbold Biological Station 25 clutches Exposure Factor Datasets
Citation:

Reproductive success and nesting habitat of loggerhead shrikes in north-central South Carolina

Author(s)
Gawlik, Dale E. and Keith L. Bildstein
Pages
37-48
Year
Issue
1
Volume
102
Exposure Endpoint Type Endpoint Value Endpoint Description Error Range Units Sex Life Cycle Stage Location Sample Size Type
Clutch or Litter Size 5.3 mean clutch size, 2 years 0.6 SD eggs/clutch Female Adult York County 20 nests Exposure Factor Datasets
Clutches or Litters per year 1-2 clutches/yr Both Male and Female Adult York County 49 nests Exposure Factor Datasets
Fledging or Weaning Rate 4.7 average number of fledglings produced per successful nest, 2 years 1.3 SD fledglings/nest Not Reported Fledgling York County 32 nests Exposure Factor Datasets
Hatching Success 4.4 average number of young hatched per nest, 2 years 1.8 SD hatchlings/nest Not Reported Hatchling York County 37 nests Exposure Factor Datasets
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
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