Following an October 2011 oil spill, New Zealand volunteers and members of the public gather to celebrate as the last of some dozens of rehabilitated blue penguins from the Mount Maunganui area are successfully returned to the ocean.

http://www.huffingtonpost.com/2011/12/22/new-zealand-oil-spill-penguins-released_n_1151788.html?ref=animals
http://www.telegraph.co.uk/earth/wildlife/8957818/New-Zealand-oil-spill-penguins-released-back-into-the-sea.html