Deuteronomy 14:17 Kabbalah

וְהַקָּאָ֥ת וְאֶֽת־הָרָחָ֖מָה וְאֶת־הַשָּׁלָֽךְ׃

and the pelican, and the carrion-vulture, and the cormorant;

Read kabbalistic (mystical) interpretation of Deuteronomy 14:17: and classical mystical sources.