Group hug, everybody

Orcas form a tight cluster in Washington's Puget Sound. About half a million people visit the area each year to get a glimpse of the killer whales. Sightings are most common during the summer, when the animals come in closer to shore to feed on salmon.

Alan Berner / AP /

Orcas form a tight cluster in Washington's Puget Sound. About half a million people visit the area each year to get a glimpse of the killer whales. Sightings are most common during the summer, when the animals come in closer to shore to feed on salmon.

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