Results 81 to 90 of about 104,800 (171)

A systematic review of laboratory investigations into the pathogenesis of avian influenza viruses in wild avifauna of North America. [PDF]

open access: yesProc Biol Sci
Gonnerman M   +6 more
europepmc   +1 more source

The study of social animal migrations: a synthesis of the past and guidelines for future research. [PDF]

open access: yesProc Biol Sci
Bontekoe ID   +6 more
europepmc   +1 more source

The Whooping Crane, Grus americana, Forster. [Pl. 313-314]

open access: yesThe birds of America : from drawings made in the United States and their territories
openaire   +2 more sources

An Overview of Avian Vaccination Options in Zoological Collections in Europe. [PDF]

open access: yesVet Sci
Leus J   +5 more
europepmc   +1 more source

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