All links of Kerriidae

Redhead (Aythya americana)

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Canvasback (Aythya valisineria)

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Ring-necked Duck (Aythya collaris)

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The Lesser Scaup

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Lesser Scaup (Aythya affinis)

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Redhead: Aythya americana

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Canvasback: Aythya valisineria

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Ring-necked Duck: Aythya collaris

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Greater Scaup: Aythya marila

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Lesser Scaup: Aythya affinis

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Kerriidae related site:

• Trinary

• JOS: Java Operating System

• JX Ltd.

• RCOSjava

• Sanos

• Trion Development Portal

• The Evolution of OS Design

• leJOS

• PURE: On the Development of Object-Oriented Operating Systems for Deeply Embedded Systems

• PURE: Design Rationale of the PURE Object-Oriented Embedded Operating System