After completing a necropsy on the female whale the Marine Mammal Stranding Center said the wounds included a fractured skull, bruising on the head, and cuts on the whale's right side, which were likely caused by a propeller strike.

Source: https://nj1015.com/wind-development-to-blame-for-whale-deaths-nj-issues-statement/

The animals were alive when first spotted around 11 a.m. but had died by the time members from the Marine Mammal Stranding Center in Brigantine arrived at the scene.

Source: https://nj1015.com/three-dolphins-die-in-shallow-waters-at-sandy-hook-nj/

The Marine Mammal Stranding Center said an adult female common dolphin was found Saturday and was taken by some of its team for a necropsy.

Source: https://nj1015.com/dolphin-found-dead-on-ocean-city-nj-beach-24th-since-december-cape-may/