Douglas L Altshuler

Summary

Affiliation: California Institute of Technology
Country: USA

Publications

  1. pmc Resolution of a paradox: hummingbird flight at high elevation does not come without a cost
    Douglas L Altshuler
    Section of Integrative Biology, University of Texas, Austin, TX 78712, USA
    Proc Natl Acad Sci U S A 101:17731-6. 2004
  2. ncbi request reprint Ecology and evolution. Darwin's hummingbirds
    Douglas L Altshuler
    Department of Bioengineering, California Institute of Technology, Pasadena, CA 91104, USA
    Science 300:588-9. 2003
  3. ncbi request reprint Kinematics of hovering hummingbird flight along simulated and natural elevational gradients
    Douglas L Altshuler
    Section of Integrative Biology, University of Texas at Austin, Austin, Texas 78712, USA
    J Exp Biol 206:3139-47. 2003
  4. ncbi request reprint Of hummingbirds and helicopters: hovering costs, competitive ability, and foraging strategies
    Douglas L Altshuler
    Section of Integrative Biology, University of Texas, Austin, Texas 78712, USA
    Am Nat 163:16-25. 2004
  5. ncbi request reprint Flight performance and competitive displacement of hummingbirds across elevational gradients
    Douglas L Altshuler
    Bioengineering, California Institute of Technology, Pasadena, California 91125, USA
    Am Nat 167:216-29. 2006
  6. pmc Short-amplitude high-frequency wing strokes determine the aerodynamics of honeybee flight
    Douglas L Altshuler
    Bioengineering, California Institute of Technology, Pasadena, 91125, USA
    Proc Natl Acad Sci U S A 102:18213-8. 2005
  7. ncbi request reprint The ecological and evolutionary interface of hummingbird flight physiology
    Douglas L Altshuler
    Section of Integrative Biology, University of Texas at Austin, Austin, TX 78712, USA
    J Exp Biol 205:2325-36. 2002
  8. ncbi request reprint Take-off mechanics in hummingbirds (Trochilidae)
    Bret W Tobalske
    Department of Biology, University of Portland, 5000 North Willamette Boulevard, Portland, OR 97203, USA
    J Exp Biol 207:1345-52. 2004
  9. ncbi request reprint Oxygen consumption rates in hovering hummingbirds reflect substrate-dependent differences in P/O ratios: carbohydrate as a 'premium fuel'
    Kenneth C Welch
    Department of Ecology, Evolution and Marine Biology, University of California, Santa Barbara, CA 93106 9610, USA
    J Exp Biol 210:2146-53. 2007
  10. ncbi request reprint Phylogenetic systematics and biogeography of hummingbirds: Bayesian and maximum likelihood analyses of partitioned data and selection of an appropriate partitioning strategy
    Jimmy A McGuire
    Museum of Vertebrate Zoology, 3101 Valley Life Sciences Building, University of California, Berkeley, CA 94720 3160, USA
    Syst Biol 56:837-56. 2007

Research Grants

  1. Neuromuscular control of flight
    DOUGLAS ALTSHULER; Fiscal Year: 2005

Detail Information

Publications10

  1. pmc Resolution of a paradox: hummingbird flight at high elevation does not come without a cost
    Douglas L Altshuler
    Section of Integrative Biology, University of Texas, Austin, TX 78712, USA
    Proc Natl Acad Sci U S A 101:17731-6. 2004
    ..In contrast to hovering, excess power availability decreased substantially across elevations, thereby reducing the biomechanical potential for more complex flight such as competitive and escape maneuvers...
  2. ncbi request reprint Ecology and evolution. Darwin's hummingbirds
    Douglas L Altshuler
    Department of Bioengineering, California Institute of Technology, Pasadena, CA 91104, USA
    Science 300:588-9. 2003
  3. ncbi request reprint Kinematics of hovering hummingbird flight along simulated and natural elevational gradients
    Douglas L Altshuler
    Section of Integrative Biology, University of Texas at Austin, Austin, Texas 78712, USA
    J Exp Biol 206:3139-47. 2003
    ..By contrast, increases in wingbeat frequency impose substantial metabolic demands, are only elicited transiently and anaerobically, and cannot be used to generate additional sustained lift at high elevations...
  4. ncbi request reprint Of hummingbirds and helicopters: hovering costs, competitive ability, and foraging strategies
    Douglas L Altshuler
    Section of Integrative Biology, University of Texas, Austin, Texas 78712, USA
    Am Nat 163:16-25. 2004
    ..However, the WDL-helicopter dynamics model has been instrumental in calling attention to the importance of comparative wing morphology and related aerodynamics for understanding the behavioral ecology of hummingbirds...
  5. ncbi request reprint Flight performance and competitive displacement of hummingbirds across elevational gradients
    Douglas L Altshuler
    Bioengineering, California Institute of Technology, Pasadena, California 91125, USA
    Am Nat 167:216-29. 2006
    ..A minimum value for burst power may be required for successful competition, but other maneuverability features gain importance when all competitors have sufficient muscle power, as occurs at low elevations...
  6. pmc Short-amplitude high-frequency wing strokes determine the aerodynamics of honeybee flight
    Douglas L Altshuler
    Bioengineering, California Institute of Technology, Pasadena, 91125, USA
    Proc Natl Acad Sci U S A 102:18213-8. 2005
    ..We suggest that the peculiar kinematics of bees may reflect either a specialization for increasing load capacity or a physiological limitation of their flight muscles...
  7. ncbi request reprint The ecological and evolutionary interface of hummingbird flight physiology
    Douglas L Altshuler
    Section of Integrative Biology, University of Texas at Austin, Austin, TX 78712, USA
    J Exp Biol 205:2325-36. 2002
    ....
  8. ncbi request reprint Take-off mechanics in hummingbirds (Trochilidae)
    Bret W Tobalske
    Department of Biology, University of Portland, 5000 North Willamette Boulevard, Portland, OR 97203, USA
    J Exp Biol 207:1345-52. 2004
    ..Thus, hummingbirds are capable of modulating their leg and wingbeat kinetics to increase take-off velocity...
  9. ncbi request reprint Oxygen consumption rates in hovering hummingbirds reflect substrate-dependent differences in P/O ratios: carbohydrate as a 'premium fuel'
    Kenneth C Welch
    Department of Ecology, Evolution and Marine Biology, University of California, Santa Barbara, CA 93106 9610, USA
    J Exp Biol 210:2146-53. 2007
    ..The requirement for less oxygen when oxidizing carbohydrate suggests that carbohydrate oxidation may facilitate hovering flight in hummingbirds at high altitude...
  10. ncbi request reprint Phylogenetic systematics and biogeography of hummingbirds: Bayesian and maximum likelihood analyses of partitioned data and selection of an appropriate partitioning strategy
    Jimmy A McGuire
    Museum of Vertebrate Zoology, 3101 Valley Life Sciences Building, University of California, Berkeley, CA 94720 3160, USA
    Syst Biol 56:837-56. 2007
    ....

Research Grants1

  1. Neuromuscular control of flight
    DOUGLAS ALTSHULER; Fiscal Year: 2005
    ..Improved understanding of the neural control of the regulation of complex motor behaviors would have direct relevance to studies of human motor control diseases and motor control degeneration that accompanies ageing. ..