3880
Recent DNA evidence indicates the fin whale may be more closely related to the humpback whale ( " Megaptera novaeangliae " ) and in at least one study the gray whale ( " Eschrichtius robustus " ) , two whales in different genera , than it is to members of its own genus , such as the minke whales .
 animal: gray whale
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 animal: gray whale