Evolution and Systematics

Functional Adaptations

Functional adaptation

Color in feathers resists bacterial degradation: parrots
 

Feathers of parrots resist bacterial degradation due to pigments synthesized internally.

     
  "The brilliant red, orange and yellow colours of parrot feathers are the product of psittacofulvins, which are synthetic pigments known only from parrots. Recent evidence suggests that some pigments in bird feathers function not just as colour generators, but also preserve plumage integrity by increasing the resistance of feather keratin to bacterial degradation." (Burtt et al. 2010:214)
  Learn more about this functional adaptation.
  • Burtt EH, Jr; Schroeder MR; Smith LA; Sroka JE; McGraw KJ. 2011. Colourful parrot feathers resist bacterial degradation. Biology Letters. 7: 214-216.
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Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage

Barcode of Life Data Systems (BOLD) Stats
                                        
Specimen Records:1,524Public Records:634
Specimens with Sequences:1,272Public Species:194
Specimens with Barcodes:992Public BINs:116
Species:269         
Species With Barcodes:208         
          
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Barcode data

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Locations of barcode samples

Collection Sites: world map showing specimen collection locations for Psittaciformes

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