which mythical people were angered at aeneas and his men for slaughtering sacred cattle at strophades ?

[Annette]

Which mythical people were angered at Aeneas and his men for slaughtering sacred cattle at Strophades?
209-77 The Trojans land on the Strophades, kill some cattle for a meal, and are at once attacked by the Harpies, half-woman monsters who pollute their food.