Wednesday, December 9, 2015

Gould specimens in Philadelphia

The three Western Ground Parrot skins from the Gould Collection held in the Academy of Natural Science, Drexel University, Philadelphia are pictured below. How the collection came to be there is described in the previous posting.

Gould Collection ANSP 22980 Original no. 218 Western Australia Male
Gould Collection ANSP 22981 Original no. 219 Western Australia Undetermined gender
Gould Collection ANSP 22977 Original no. 223 Western Australia Undetermined gender, Juvenile

All four images below were supplied by Nate Rice, Drexel University, and are used with permission.

The birds are arranged 980, 981, and 977. Although only the male is formally determined as such, the other adult bird is clearly a female. Its beak shape and the streaks and blotches on the throat and upper breast are typical of female Western Ground Parrots. Males are usually larger than females as is the case here. The Juvenile appears to have the male beak shape.

The original labels were replaced and so if there was more specific information on when and where the birds were taken from the wild, and by whom, it is not now available. 

The photo below is the male bird, showing the red feathering above the nostrils (a mature bird), the broad ridge of the upper bill (male), the fine dark streaks on the throat and upper breast (adult male). 

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