Ko e fanga manupuna ʻoku ui ko e tala ʻoku nau kau ki he kāinga ofi ʻo e sternae. Ka ʻoku ʻikai lototaha ʻe he kau saienisi. Mahalo pē ko e sternidae ko e kāinga fakamavahe mei he laridae, pea ʻoku ʻikai ha kāinga iiki ʻoku falala ki ai, ko e sterninae. Pea hoko mahalo pē ʻoku ʻikai kau ngata pē ʻa e sterna (fanga tala ʻoku tea mo lalahi) ki ai, ka ʻoku tānakiʻi foki ʻa e ngaahi kāinga ofi ʻo e gygis mo onychoprion mo procelsterna (ngongo) mo thalasseus (fanga tala ʻoku tomokosi honau tope) mo e hā fua.