Results 161 to 170 of about 205,543 (241)

Multi-strategy secretary bird optimization algorithm for UAV path planning in complex environment. [PDF]

Sci Rep
Feng L, Liu H, He Z, Ye H, Yang S.
europepmc   +1 more source

Flapping-wing robot achieves bird-style self-takeoff by adopting reconfigurable mechanisms. [PDF]

Sci Adv
Chen A, Song B, Liu K, Wang Z, Xue D, Qi H.   +5 more
europepmc   +1 more source

Bird migration flight altitudes studied by a network of operational weather radars

, 2010
Adriaan M. Dokter, Félix Liechti, Herbert H. Stark, Laurent Delobbe, Pierre Tabary, Iwan Holleman   +5 more
openalex   +1 more source

Speed of Flight of Birds [PDF]

Science, 1893
openaire   +3 more sources

The structure of the annual migratory flight activity in a songbird. [PDF]

Proc Biol Sci
Sjöberg S, Macías-Torres P, Andersson A, Bäckman J, Thorup K, Tøttrup AP, Alerstam T.   +6 more
europepmc   +1 more source

Transformation of a functional complex: early evolution of the flight apparatus of birds

, 2017
Roger A. Close
openalex   +1 more source

Great expectations: altricial developmental strategies are associated with more flexible evolution of limb skeleton proportions in birds. [PDF]

Proc Biol Sci
Orkney A, Rothier PS, Hedrick BP.
europepmc   +1 more source

Ecological barrier crossing strategies in small migratory birds depend on wing morphology and plumage color. [PDF]

iScience
Dufour P, Nussbaumer R, Briedis M, Bocher P, Conway G, Coulomb Y, Delacroix R, Dagonet T, de Franceschi C, de Grissac S, Jeannin B, Monchatre R, Rey F, Tillo S, Champagnon J, Duriez O, Jiguet F.   +16 more
europepmc   +1 more source

A wind-tunnel gust generator for soaring birds and small UAVs. [PDF]

J Exp Biol
Penn M, Yi G, Watkins S, Windsor SP, Mohamed A.   +4 more
europepmc   +1 more source

Optimization of Ornithopter Energy Efficiency Through Spring-Induced Harmonic Motion. [PDF]

Biomimetics (Basel)
Kim J, Ryu JC.
europepmc   +1 more source