Southern Cassowary
Tweet of the Day is the voice of birds and our relationship with them, from around the world. Chris Packham presents the roaring southern cassowary of Australia's Queensland. The territorial roaring calls of the world's second heaviest bird, the cassowary are odd enough, but it still won't prepare you for your first sighting of these extraordinary birds. Reaching a height of over 1.5 metres, they have thick legs armed with ferocious claws, blue – skinned faces and scarlet dangling neck- wattles. These are striking enough but it is the large horn, or casque, looking like a blunt shark's fin on…
The skinny
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