Extra calcium is required, especially by laying hens; it can be supplied in the form of shell grit, or cuttlefish bone.
2.
Duchamp used the name in the title of at least one sculpture, " oral thermometer, a couple dozen small cubes of marble resembling sugar cubes and a cuttlefish bone inside a birdcage.
3.
Some cephalopods such as " Sepia ", the cuttlefish, have a large internal shell, the cuttlefish bone, and this often washes up on beaches in parts of the world where cuttlefish are common.
4.
"' Cuttlebone "', also known as "'cuttlefish bone "', is a hard, brittle internal structure ( an internal shell ) found in all members of the family Sepiidae, commonly known as cuttlefish, a family within the cephalopods.
5.
The "'Abuabu Cross "'was moulded in 1928 with a Kwa-Kwa-AnaMuah shell ( 3.9 Cuttlefish bone casting, pg . 163 ) and smithed in unburnished gold by a craftsman of Abuabusu village in the Ofin River Valley of Denchera.
6.
For example, a budgie can see another budgie and recognize it as another budgie ( speaking from personal experience ) in items such as a tarnished, scratched-up Zippo lighter, the wooden top of a speaker cabinet, a metal clip used to hold cuttlefish bone ( reflective bit can be no more than 2mm square ), fingernails, the scratched-up screen of a mobile phone, a bit of clear plastic shrink wrap from a CD . ..
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