By Colline Brassard and Trish Fleming. Dogs (Canis familiaris) are descendants of the grey wolf (Canis lupus). The earliest accepted dog remains date back to about 15,000 years ago. Although all dogs share this same ancestor, their life as human domesticates has led to considerable variation, and modern dogs are one of the most variable…
Tag: anatomy
Australian diggers – strong-arm excavators and aerators of Australian landscapes
By Meg Martin. Digging marsupials play an especially important ecological role in Australian ecosystems by helping with soil turnover, nutrient mixing, seed dispersal and increasing breakdown of organic materials. Many of these species are highly specialised diggers – with strong forlimbs and long claws. Historically, the interactions between bones and muscle during behaviour has been…
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