Great Northern Loon (Gavia immer) also known as Common Loon or Great Northern DiverGreat Northern Loon (Gavia immer) also known as Common Loon or Great Northern DiverGreat Northern Loon (Gavia immer) also known as Common Loon or Great Northern DiverGreat Northern Loon (Gavia immer) also known as Common Loon or Great Northern DiverGreat Northern Loon (Gavia immer) also known as Common Loon or Great Northern DiverGreat Northern Loon (Gavia immer) also known as Common Loon or Great Northern DiverGreat Northern Loon (Gavia immer) also known as Common Loon or Great Northern DiverGreat Northern Loon (Gavia immer) also known as Common Loon or Great Northern DiverGreat Northern Loon (Gavia immer) also known as Common Loon or Great Northern Diver