A new study finds heavy metals in soils and eggshells and the fungus Ophidiomyces in snakes across the Chicago region, complicating ongoing headstart and reintroduction work.

Ottawa has endorsed a plan to move 30 belugas and four dolphins from Marineland to aquariums including Georgia Aquarium. Initial permits are in hand but the transfer is complex.

A wolf at Washington Park Zoo died and a lemur later died from a separate medical event; officials say staff involved in a subsequent wolf-related incident are stable.