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Displaying 1201 - 1240 of 1626 datapoints
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Melospiza melodia ssp. pusillula

Citation:
Exposure Endpoint Type Endpoint Value Endpoint Description Sex Life Cycle Stage Location Sample Size Type
Body Weight - Mean 2 description Both Male and Female Adult location sample size Exposure Factor Datasets

Melospiza melodia

Citation:

Effects of granular formulations of terbufos and fonofos applied to cornfields on mortality and reproductive success of songbirds

Author(s)
Knapton, Richard W., and Pierre Mineau
Pages
138-153
Year
Volume
4
Exposure Endpoint Type Endpoint Value Endpoint Description Error Units Sex Life Cycle Stage Location Sample Size Type
Clutch or Litter Size 4.22 mean clutch size of nests in control plots 0.94 eggs/clutch Female Adult southwestern Ontario 32 nests Exposure Factor Datasets
Hatching Success 29.4% proportion of successful nests containing unhatched eggs % Both Male and Female Both Adults and Juveniles southwestern Ontario 32 nests Exposure Factor Datasets
Fledging or Weaning Rate 3.88 mean number of young fledged per successful nest 1.22 fledglings/nest Both Male and Female Fledgling southwestern Ontario 32 nests Exposure Factor Datasets
Citation:

Settlement patterns, territory size, and breeding density in the song sparrow (Melospiza melodia)

Author(s)
Knapton, Richard W. and John R. Krebs
Pages
1413-1420
Year
Volume
52
Exposure Endpoint Type Endpoint Value Endpoint Description Error Units Sex Life Cycle Stage Location Sample Size Type
Territory Size 1745 mean territory size, measured by song playbacks and observations of border disputes 406 SD m^2 Male Adult Reifel Island, Delta, British Columbia 6 birds Exposure Factor Datasets
Territory Size 3956 mean territory size, measured by song playbacks and observations of border disputes 611 SD m^2 Male Adult Reifel Island, Delta, British Columbia 6 birds Exposure Factor Datasets
Citation:

Seed preferences and digestive efficiency of cardinals and song sparrows

Author(s)
Willson, Mary F., and Janet C. Harmeson
Pages
225-234
Year
Volume
75
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Sample Size Type
Food Ingestion Rate 412 (foxtail); or 468 (smartweed); or 85 (hemp); or 3943 (pigweed) estimated number of seeds per hour required at 0 degrees C for active individuals seeds/hour Not Reported Adult Not Reported Exposure Factor Datasets
Citation:

Population estimates of breeding birds in North Dakota

Author(s)
Stewart, Robert E., and Harold A. Kantrud
Pages
766-788
Year
Volume
89
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Sample Size Type
Population Density 1.69 (40) mean density of breeding birds (maximum density in parentheses) pairs/square mile Both Male and Female Adult 130 sample units (160 acres/unit) Exposure Factor Datasets

Sturnella neglecta

Citation:

Effects of female pairing status and timing of breeding on nesting productivity in western meadowlarks (Sturnella neglecta)

Author(s)
Dickinson, T.E., J.B. Falls, and J. Kopachena
Pages
3093-3101
Year
Volume
65
Exposure Endpoint Type Endpoint Value Endpoint Description Error Units Sex Life Cycle Stage Location Sample Size Type
Time of Nesting first two weeks of May peak time of nest initiation Both Male and Female Adult near Delta, Manitoba 46 nests Exposure Factor Datasets
Clutch or Litter Size 5.41 mean size of clutches laid early (pre-May 1), mid (May 1-10), or late season (post-May 10) 0.14 SE eggs/clutch Female Adult near Delta, Manitoba 41 nests Exposure Factor Datasets
Hatching Success 19/31 proportion of successful nests (hatched at least one egg) in which entire clutch hatched Both Male and Female Adult near Delta, Manitoba 41 nests Exposure Factor Datasets
Fledging or Weaning Rate 2.32 number of young fledged per female 0.06 SE young/female Female Adult near Delta, Manitoba 38 females Exposure Factor Datasets
Citation:

Birds of a prairie community

Author(s)
Kendeigh, Charles
Pages
165-174
Year
Issue
4
Volume
43
Exposure Endpoint Type Endpoint Value Endpoint Description Range Units Sex Life Cycle Stage Location Sample Size Type
Population Density 6 density of birds nesting and feeding in study area birds per 50 acres Both Male and Female Adult near Iowa Lakeside Laboratory 6 Exposure Factor Datasets
Home Range estimated breeding territory size defended by males 10-32 acres Both Male and Female Adult near Iowa Lakeside Laboratory 4 territories Exposure Factor Datasets
Citation:

Population estimates of breeding birds in North Dakota

Author(s)
Stewart, Robert E., and Harold A. Kantrud
Pages
766-788
Year
Volume
89
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Sample Size Type
Population Density 28.43 (96) mean density of breeding birds (maximum density in parentheses) pairs/square mile Both Male and Female Adult 130 sample units (160 acres/unit) Exposure Factor Datasets

Athene cunicularia

Citation:

Size dimorphism and food habits of North American owls

Author(s)
Earhart, Caroline M., and Ned K. Johnson
Pages
251-264
Year
Volume
72
Exposure Endpoint Type Endpoint Value Endpoint Description Range Units Sex Life Cycle Stage Sample Size Type
Body Weight - Mean 158.6 body weight 120-228 g Male Adult 13 Exposure Factor Datasets
Body Weight - Mean 150.6 body weight 129-185 g Female Adult 15 Exposure Factor Datasets
Citation:

Ventilatory responses of the burrowing owl and bobwhite to hypercarbia and hypoxia

Author(s)
Boggs, Dona F. and Delbert L. Kilgore, Jr.
Pages
527-533
Year
Volume
149
Exposure Endpoint Type Endpoint Value Endpoint Description Error Units Sex Life Cycle Stage Sample Size Type
Inhalation Rate 3.27 average resting tidal volume 0.08 SE ml BTPS Not Reported Adult 60 Exposure Factor Datasets
Inhalation Rate 39.7 average resting inhalation rate 1.16 SE per minute Not Reported Adult 60 Exposure Factor Datasets
Metabolic Rate 4.28 average resting oxygen consumption 0.12 SE ml STPD/min Not Reported Adult 60 Exposure Factor Datasets
Citation:

Physiological and physical aspects of temperature regulation in the burrowing owl Speotyto cunicularia

Author(s)
Coulombe, Harry N.
Pages
307-337
Year
Volume
35
Exposure Endpoint Type Endpoint Value Endpoint Description Error Units Sex Life Cycle Stage Sample Size Type
Metabolic Rate 0.95 oxygen consumption in zone of thermoneutrality (at 30.1 degrees, Celsius) 0.04 cubic cm O2/g/hr Not Reported Adult 16 Exposure Factor Datasets
Inhalation Rate 25 average breathing rate at ambient temperatures below body temperature breaths/min Not Reported Adult Not Reported Exposure Factor Datasets
Inhalation Rate 340 breathing rate with heat loading (gular flutter onset) breaths/min Not Reported Adult Not Reported Exposure Factor Datasets

Bubo virginianus

Citation:

Size dimorphism and food habits of North American owls

Author(s)
Earhart, Caroline M., and Ned K. Johnson
Pages
251-264
Year
Volume
72
Exposure Endpoint Type Endpoint Value Endpoint Description Range Units Sex Life Cycle Stage Sample Size Type
Body Weight - Mean 914.2 (pallascens), 991.7 (pacificus), 1154.3 (occidentalis), 1317.8 (virgianus), 1238.6 (wapacuthu) Body weight means for 5 subspecies 319-372 g Male Adult 10-26 individuals/subspecies Exposure Factor Datasets
Body Weight - Mean 1142.2 (pallascens), 1312.4 (pacificus), 1555.1 (occidentalis), 1768.5 (virgianus), 1556.0 (wapacuthu) body weight means for 5 subspecies g Female Adult 12-29 individuals/subspecies Exposure Factor Datasets
Citation:

Non-territorial 'floaters' in great horned owls: space use during a cyclic peak of snowshoe hares

Author(s)
Rohner, Christoph
Pages
901-912
Year
Volume
53
Exposure Endpoint Type Endpoint Value Endpoint Description Error Range Units Sex Life Cycle Stage Location Sample Size Type
Home Range 24.8-26.1 mean home range size of nonterritorial individuals in 1990 and 1991 square km Both Male and Female Adult Kluane Lake (60 deg57'N, 138deg12'W), Yukon 6 (1990), 8 (1991) Exposure Factor Datasets
Territory Size 4.83 mean territory size of territorial pairs 0.40 SE 2.30-8.83 square km Both Male and Female Adult Kluane Lake (60 deg57'N, 138deg12'W), Yukon 16 territories Exposure Factor Datasets

Zenaida macroura

Citation:

Population estimates of breeding birds in North Dakota

Author(s)
Stewart, Robert E., and Harold A. Kantrud
Pages
766-788
Year
Volume
89
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Sample Size Type
Population Density 9.08 (76) mean density of breeding birds (maximum density in parentheses) pairs/square mile Both Male and Female Adult 130 sample units (160 acres/unit) Exposure Factor Datasets
Citation:

Mourning dove nesting habitat and nest success in central Missouri

Author(s)
Drobney, Ronald D., John H. Schulz, Steven L. Sheriff, and Wesley J. Fuemmeler
Pages
299-305
Year
Issue
222
Volume
69
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Location Sample Size Type
Fledging or Weaning Rate 37.3 percent of all nests in which nestlings reached 10 d of age % Both Male and Female Adult Davisdale Wildlife Area (39deg01.3'N,92deg37.5'W) 83 nests Exposure Factor Datasets
Citation:

Nest density and success of columbids in Puerto Rico

Author(s)
Rivera-Milan, Frank F.
Pages
100-113
Year
Volume
98
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Location Sample Size Type
Population Density figures Figures of yearly and monthly nest density estimates nests/ha Both Male and Female Adult near Guanica and Cabo Rojo 48-158 transects Exposure Factor Datasets
Fledging or Weaning Rate 21% nest success estimate based on Mayfield method % Both Male and Female Adult near Cidra, Guanica, and Cabo Rojo 27 nests Exposure Factor Datasets

Colaptes auratus

Citation:

Population estimates of breeding birds in North Dakota

Author(s)
Stewart, Robert E., and Harold A. Kantrud
Pages
766-788
Year
Volume
89
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Sample Size Type
Population Density 1.26 (20) mean density of breeding birds (maximum density in parentheses) pairs/square mile Both Male and Female Adult 130 sample units (160 acres/unit) Exposure Factor Datasets

Empidonax traillii ssp. extimus

Citation:

Status and breeding ecology of the southwestern willow flycatcher in the Grand Canyon

Author(s)
Sogge, Mark K., Timothy J. Tibbitts, Jim R. Petterson
Pages
142-157
Year
Volume
28
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Location Sample Size Type
Territory Size 0.5 territory size of unpaired male ha Male Adult Colorado River 1 Exposure Factor Datasets
Fledging or Weaning Rate 18% percent of nests that fledged at least one young % Both Male and Female Both Adults and Juveniles Colorado River 17 nest attempts (in 5 sample years) Exposure Factor Datasets
Clutch or Litter Size 3 mean clutch size eggs/nest Female Adult Colorado River 3 nests Exposure Factor Datasets
Time of Mating/ Laying May 30 (onset) date when first eggs found Female Adult Colorado River 17 nest attempts (in 5 sample years) Exposure Factor Datasets
Time of Fledging or Metamorphosis June 29 (earliest fledging) - July 13 (latest fledging) dates of earlies and latest recording fledging Both Male and Female Fledgling Colorado River 17 nest attempts (in 5 sample years) Exposure Factor Datasets

Falco peregrinus

Citation:

Home range and habitat requirements of peregrine falcons on the Cape Peninsula, South Africa

Author(s)
Jenkins, Andrew R., and Grant A. Benn
Pages
90-97
Year
Issue
2
Volume
32
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Location Sample Size Type
Home Range 89.7-94.7 range of home range sizes square km Female Adult Cape Peninsula 2 Exposure Factor Datasets
Foraging Distance 9.2 maximum distance travelled from nest cliff km Female Adult Cape Peninsula 2 Exposure Factor Datasets
Foraging Distance 11.1-16.4 maximum distance travelled from nest cliff km Male Adult Cape Peninsula 2 Exposure Factor Datasets
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