Book.
1940 - Gale Group | World Scholar Latin America
Eugene P. Odum, Jesse D. Perkinson,
... Adaptations of Fat Deposition in Migratory Birds, The Condor 75, no.11 (Apr 1973): 108–113.https:// ... South American Population of Black-Necked Stilts, The Condor 73, no.44 (Dec 1971): 472–475.https:// ... Postjuvenal Molting European Tree Sparrows (Passer montanus), The Condor 72, no.22 (Apr 1970): 175–181.https:// ... in the White-Throated Sparrow, Zonotrichia albicollis, The Condor 72, no.11 (Jan 1970): 66–75.https:// ... Spring Migration in the White-Throated Sparrow, The Condor 69, no.11 (Jan 1967): 49–68.https:// ...
Tópico(s): Avian ecology and behavior
1951 - University of Chicago Press | Physiological Zoology
Book.
1942 - Gale Group | World Scholar Latin America
... Subadult Mallards Acclimatized to Low Ambient Temperatures, The Condor 75, no.33 (Oct 1973): 330–335.https:// ... in the Red-Breasted Nuthatch (Sitta canadensis), The Condor 72, no.22 (Apr 1970): 125–132.https:// ... Respiratory Evaporation of the Emu and Rhea, The Condor 70, no.44 (Oct 1968): 333–339.https:// ... Metabolic Rate and Body Weight in Birds, The Condor 69, no.11 (Jan 1967): 13–23.https:// ... Billed Marsh Wren during the Breeding Season, The Condor 67, no.22 (Mar 1965): 125–139.https:// ... Relationships of a Very Small Passerine Bird, The Condor 66, no.33 (May 1964): 212–220.https:// ...
Tópico(s): Bat Biology and Ecology Studies
1958 - University of Chicago Press | Physiological Zoology
Book.
1941 - Gale Group | World Scholar Latin America
... 1017/S1464793101005838Andrew E. McKechnie, Barry G. Lovegrove , The Condor 104, no.44 ( 2002): 705.https://doi.org/10.1093/condor/104.4.705Carlos Martínez del Rio, Jorge E. ... Radiant Environment of a Winter Hummingbird Nest, The Condor 76, no.33 (Oct 1974): 268–273.https:// ... BF01553643Yoshika Oniki Some Temperatures of Panamanian Birds, The Condor 74, no.22 (Jul 1972): 209–215.https:// ... Temperature by the Spotted Nightjar (Eurostopodus guttatus), The Condor 71, no.11 (Jan 1969): 49–53.https:// ... Respiratory Evaporation of the Emu and Rhea, The Condor 70, no.44 (Oct 1968): 333–339.https:// ...
Tópico(s): Avian ecology and behavior
1964 - University of Chicago Press | Physiological Zoology
Book.
1941 - Gale Group | World Scholar Latin America
Tom J. Cade, Catherine A. Tobin, Ann E. Gold,
... of Dune Larks from the Namib Desert, The Condor 101, no.22 (May 1999): 432–438.https:// ... Economy of Granivorous Birds: California House Finches, The Condor 100, no.33 (Aug 1998): 493–503.https:// ... Finches: Hormone Levels and Effect of Dehydration, The Condor 87, no.11 (Feb 1985): 37–46.https:// ... in Relation to Their Ecology and Abundance, The Condor 74, no.22 (Jul 1972): 111–136.https:// ... 90349-5Sheldon Lustick Plumage Color and Energetics, The Condor 73, no.11 (Apr 1971): 121–122.https:// ... of the Sage Sparrow, Amphispiza belli nevadensis, The Condor 72, no.33 (Jul 1970): 265–275.https:// ...
Tópico(s): Animal Nutrition and Physiology
1965 - University of Chicago Press | Physiological Zoology
Book.
1940 - Gale Group | World Scholar Latin America
... Liknes, Sarah M. Scott, David L. Swanson , The Condor 104, no.33 ( 2002): 548.https://doi.org/10.1093/condor/104.3.548Tracy A. Maddocks, Fritz Geiser Seasonal ... on Metabolism and Thermoregulation in Northern Bobwhite, The Condor 99, no.22 (May 1997): 478–489.https:// ... of Thermoregulation in the Black-Capped Chickadee, The Condor 96, no.33 (Aug 1994): 638–646.https:// ... and Insulation in the Dark-Eyed Junco, The Condor 93, no.33 (Aug 1991): 538–545.https:// ... Oxygen Transport in the Dark-Eyed Junco, The Condor 92, no.11 (Feb 1990): 62–66.https:// ...
Tópico(s): Physiological and biochemical adaptations
1962 - University of Chicago Press | Physiological Zoology
Book.
1942 - Gale Group | World Scholar Latin America
... the structure cf the humerus in the Corvidae. Condor 43: 184–195. Barlow, J. C. 1974. Phenetics ... higher taxa of birds: problems in phylogenetic reasoning. Condor 74: 379–392. Cracraft, J. 1974. Phylogenetic models ... adaptations for sympatry in the avian genus Vireo. Condor 64: 40–68. Hardy, J. W. 1969. A taxonomic revision of the New World jays. Condor 71: 360–375. Hardy, J. W. 1974. Behavior ... The validity of some genera of larks (Alaudidae). Condor 108: 573–583. Harrison, C. J. O. 1967. ... Lack, D. 1954. Call-notes, Erithacus and convergence. Condor 96: 312–314. Lack, D. 1958. The significance ...
Tópico(s): Ecology and Vegetation Dynamics Studies
1977 - Wiley | Ibis
Book.
1941 - Gale Group | World Scholar Latin America
Michael P. Wallace, Stanley A. Temple,
... techniques for future releases of captive-reared California condors (Gymnogyps californianus) to the wild, we used captive-reared Andean condors (Vultur gryphus) as surrogates. Hatched at facilities in the United States, 11 young Andean condors were transported to an isolated study site on ... and released under experimental conditions. Six of these condors were raised by their parents then held with ... 3 years old when released. The other 5 condors were hand reared with the aid of puppets that closely resembled adult condors. They were released at the age when natural ...
Tópico(s): Ecology and Vegetation Dynamics Studies
1987 - Wiley | Journal of Wildlife Management
Book.
1942 - Gale Group | World Scholar Latin America
Stanley N. Wiemeyer, James M. Scott, Marilyn P. Anderson, Peter Bloom, Charles J. Stafford,
Five wild California condors (Gymnogyps californianus) that died in 1980-86 were necropsied and tissues were analyzed for environmental contaminants. Three died of ... handling shock. Organochlorine concentrations were low in 4 condors that were analyzed for these contaminants. Blood samples from 14 wild and 14 captive condors were analyzed primarily for Pb. Five of 14 wild condors sampled had elevated (>0.70 ppm) concentrations of ... in blood whereas Pb concentrations in all captive condors were low. Lead levels in individual birds often ...
Tópico(s): Avian ecology and behavior
1988 - Wiley | Journal of Wildlife Management
Book.
1942 - Gale Group | World Scholar Latin America
Michael P. Wallace, Stanley A. Temple,
... Niiio phenomenon affected the population dynamics of Andean condors (Vultur gryphus) in three areas of Peru. For ... the 1982-1983 El Niiio, nearly all adult condors in a coastal population and an Andean foothill population refrained from breeding; whereas condors in a high-elevation population appeared to be ... the food supply for the coastal population of condors to decrease, while the food supply for the ... response to the increase in food, almost all condors in the foothill population bred in the months ...
Tópico(s): Atmospheric Ozone and Climate
1988 - Wiley | Biotropica
Book.
1943 - Gale Group | World Scholar Latin America
Jon H. Wetton, David T. Parkin,
... Extra-Pair Paternity in the House Sparrow, The Condor, 10.1093/condor/108.2.399, 108:2, (399-413), Online ... EXTRA-PAIR PATERNITY IN THE HOUSE SPARROW, The Condor, 10.1650/0010-5422(2006)108[399:TOEPAG] ... Variation in Sperm Concentration in Tree Swallows, The Condor, 10.1093/condor/104.4.803, 104:4, (803-810), Online ... of Sex Ratio Variation in House Sparrows, The Condor, 10.1093/condor/104.3.598, 104:3, (598-609), Online ... VARIATION IN SPERM CONCENTRATION IN TREE SWALLOWS, The Condor, 10.1650/0010-5422(2002)104[0803:ITASVI] ...
Tópico(s): Evolutionary Psychology and Human Behavior
1991 - Royal Society | Proceedings of the Royal Society B Biological Sciences
Book.
1942 - Gale Group | World Scholar Latin America
Terje Raudsepp, Marlys L. Houck, Patrícia C. M. O’Brien, M.A. Ferguson‐Smith, Oliver A. Ryder, B.P. Chowdhary,
The California condor is the largest flying bird in North America and belongs to a group of New World vultures. Recovering ... study to understand the genome organization of the condor. This included an extensive cytogenetic analysis that provided ( ... and nucleolus organizer regions. Further, a comparison between condor and chicken macrochromosomes was obtained by using individual ... paints 1–9 and Z and W on condor metaphase spreads. Except for chromosomes 4 and Z, ... of the chicken (GGA) macrochromosomes painted a single condor (GCA) macrochromosome. GGA4 paint detected complete homology with ...
Tópico(s): Genetic diversity and population structure
2002 - Karger Publishers | Cytogenetic and Genome Research
Book.
1943 - Gale Group | World Scholar Latin America
Sergio A. Lambertucci, N. Luis Jácome, Ana Trejo,
ABSTRACT Andean Condors (Vultur gryphus) are endangered in the northern portion of their South American range, but populations are larger further ... known about current population sizes and dynamics. Andean Condors use cliffs with shelves as communal roosts and, ... sizes and trends. The minimum population of Andean Condors in our study area was 196, one of ... recorded for this species. The maximum number of condors observed increased during our 3-yr study. However, ... We suggest that a suitable conservation strategy for condors must involve the design and protection of a ...
Tópico(s): Species Distribution and Climate Change
2008 - Association of Field Ornithologists | Journal of Field Ornithology
Book.
1941 - Gale Group | World Scholar Latin America
ABSTRACT The scientific evidence that California condors ( Gymnogyps californianus ) are frequently sickened and killed by lead poisoning from spent ammunition supports the conclusion that current levels of lead exposure are too high to allow reintroduced condors to develop self‐sustaining populations in the wild ... and bullet fragments in digestive tracts; 2) moribund condors showing crop paralysis and impending starvation with toxic ... blood; 3) widespread lead exposure among free‐flying condors, many with clinically exposed or acute levels; 4) ...
Tópico(s): Heavy metals in environment
2007 - Wiley | Journal of Wildlife Management
Book.
1942 - Gale Group | World Scholar Latin America
Boris Ríos-Uzeda, Robert B. Wallace,
ABSTRACT Population estimates of Andean Condors (Vultur gryphus) are urgently needed across their range to more accurately assess their conservation status and design appropriate conservation measures. From ... monitored for 3 days each and all visiting condors were digitally photographed and video-taped. Using distinctive ... able to individually recognize 23 adult male Andean Condors, or 30% of all observed condors. By extrapolation, we estimated a minimum population size for Apolobamba during the sampling period of 78 condors. Considering that the current estimate of the total ...
Tópico(s): Species Distribution and Climate Change
2007 - Association of Field Ornithologists | Journal of Field Ornithology
Book.
1942 - Gale Group | World Scholar Latin America