They are all naturally grey

Life in Colour November: Black/grey

Jude has asked “What Greys in nature do you have to share?” I think you may have sent a loaded question Jude

The front and the rear (not the best sorry) of a Grey Fantail and then onto a few more

Peaceful Dove – Grey Goshawk – Grey Crowned Babbler
Little Friarbird – Common Brushtail Possum – Black-faced Cuckoo Shrike
Koala – Grey-shrike Thrush Spotted Gum
Ibis Feathers Old tree – Granite Boulders –
Line-blue Butterfly – Crested Tern