Howlgender is a xenogender connected to howling/ the sound of howling. It falls under the umbrellas of both wolfgender and doggender, though it is less associated with animals that howl than the sound or action of howling.
History
It was coined by Twitter user @HYPERVERSEZ on September 29th, 2020[1].
Flag
The flag has seven stripes, which represent "connection to nighttime, connection to the tundra, the moon, unique gender expression, and connection to the forest."