Bird                    Bird description
air2ground              Compute groundspeed
altitude2density        Compute density in International Standard
                        Atmopshere
amplitude               Flapping flight optimal amplitude
climbing_birds          Climbing birds
computeAvailablePower   Compute available power
computeBodyFrontalArea
                        Body frontal area from scaling relation
computeChemicalPower    Convert mechanical power to chemical power
computeFlappingPower    Calculate aerodynamic power flapping flight
computeFlightPerformance
                        Compute characteristics of a power curve
fD.ind                  Coefficient for thrust dependency of drag and
                        power factors
findMaximumClimbRate    Find maximum climb rate
findMaximumPowerSpeed   Finds speed for which power required equals
                        maximum available power
findMaximumRangeSpeed   Find maximum range speed
findMinimumPowerSpeed   Find speed for minimum power
findMinimumTimeSpeed    Find speed for migration time minimization
mech2chem               Convert between mechanical and chemical power
reducedFrequency        Function to compute reduced frequency
