Results 101 to 110 of about 205,543 (241)

The Evolution of Flightless Ratite Birds [PDF]

open access: yes, 2018
Birds are well known for their unique (other than bats) ability among vertebrates of flight. Through millions of years of evolution, before they were even classified as such, and for reasons and methods still largely unknown, birds evolved the ability to
Karparis, Abigail
core   +1 more source

The Weather Radar as a Tool for Collecting Quantitative Data on Migrating Birds

open access: yesIEEE Journal of Microwaves
Radar observations have an important role in surveying bird migrations and the multifaceted links they have with human activities and environmental changes.
Roberto Nebuloni, Carlo Capsoni
doaj   +1 more source

An investigation of the trading agent competition : a thesis presented in partial fulfilment of the requirements for the degree of Master of Science in Computer Science at Massey University, Albany, New Zealand [PDF]

open access: yes, 2005
The Internet has swept over the whole world. It is influencing almost every aspect of society. The blooming of electronic commerce on the back of the Internet further increases globalisation and free trade. However, the Internet will never reach its full
Liu, Dong
core  

Brightness cues affect gap negotiation behaviours in zebra finches flying between perches

open access: yesRoyal Society Open Science
Flying animals have had to evolve robust and effective guidance strategies for dealing with habitat clutter. Birds and insects use optic flow expansion cues to sense and avoid obstacles, but orchid bees have also been shown to use brightness cues during ...
Emma Borsier   +2 more
doaj   +1 more source

Optimális éves viselkedési modellek: út a fiziológiától a populációkig? = Optimal annual routines: a path from physiology to populations? [PDF]

open access: yes, 2009
A pályázat fő célja annak kiderítése volt, hogy a különböző állapotváltozók hogyan befolyásolják az optimális viselkedést, speciálisan a hogyan befolyásolják a fő életmenet események időzítését az éves cikluson belül. E cél elérése érdekében több modellt
Alasdair, I. Houston   +3 more
core  

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