Is there anyone out there who is familiar with the calls of Black Bittern? I am looking for someone to listen to a recording and then pass judgement on a potentially important observation for me.
Regard
Alastair
Birding-Aus mailing list
Birding-Aus@birding-aus.org
To change settings or unsubscribe visit:
birding-aus.org/mailman/listinfo/birding-aus_birding-aus.org
