Shedd Aquarium to receive four more beluga whales from Marineland

Shedd Aquarium’s beluga whale population is about to double — from what it was a month ago. Four more of the white cetaceans are expected to leave the shuttered Marineland Canada this week, arriving in Chicago early Thursday if all goes to plan. That’s a big “if,” given the storms that continue to sweep through the region. On Wednesday morning, Shedd staff were in Niagara Falls, Canada, preparing the steel boxes used to transport the belugas — first by truck, then inside a Boeing 777 cargo…