A federal investigation is underway following the discovery of a deceased whale on a cruise ship. The whale, a 61-foot pregnant endangered fin whale, was found draped over the bow of the vessel. Officials believe the whale's death was caused by a fatal vessel strike.

Further details about the incident are available from the source. The investigation is ongoing, and no additional information has been released about the circumstances surrounding the whale's death.

The incident occurred on an Alaska cruise ship, but no other details have been provided about the ship or its route.