The Description of the Spix's Macaw or Arara hyacinthinus in Avium Brasiliensium Species Novae

by Johannes Baptist von SPIX published in Munich, 1824-5

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  • Monday 11th January 2021
    Interesting paper on the Spix’s Macaw

    A very interesting paper is available on-line about the Spix’s Macaw. It is entitled " Qualitative description of the submission and agonistic behaviour of the Spix’s Macaw (Cyanopsitta spixii) with special reference to t ... Read More »

Quotes

 " Naturam expellas furca, tamen usque recurret "

( If you drive out nature with a pitchfork, she will soon find a way back)

Horace (65-8 BC)