Collared pika (Ochotona collaris) taking food to a cache, Hatcher Pass, Alaska, United States of America, North America

Collared pika (Ochotona collaris), Hatcher Pass, Alaska, United States of America, North America

Ring-necked Duck (Aythya collaris) swimming, Clark County, Nevada, United States of America, North America

Fiscal shrike (common fiscal) (Lanius collaris), Addo Elephant National Park, South Africa, Africa, Africa

Fiscal shrike (common fisca) (Lanius collaris), Ngorongoro Crater, Tanzania, East Africa, Africa

Female fiscal shrike (common fisca) (Lanius collaris), Addo Elephant National Park, South Africa, Africa

Fiscal shrike (common fiscal) (Lanius collaris), Ngorongoro Crater, Tanzania, East Africa, Africa

Collared pika (Ochotona collaris), Hatcher Pass, Alaska, United States of America, North America

Collared Pika (Ochotona collaris) taking food to a cache, Hatcher Pass, Alaska, United States of America, North America

Fiscal shrike (common fiscal) (Lanius collaris), Addo Elephant National Park, South Africa, Africa

Fiscal shrike (common fiscal) (Lanius collaris), Addo Elephant National Park, South Africa, Africa

Collared sunbird male (Hedydipna collaris) on aloe, Kruger National Park, South Africa, Africa

Fiscal shrike (common fiscal) (Lanius collaris), Addo Elephant National Park, South Africa, Africa

Ring-necked duck (Aythya collaris) swimming, Clark County, Nevada, United States of America, North America

Fiscal Shrike (Common Fiscal) (Lanius collaris), Addo Elephant National Park, South Africa, Africa

Female collared trogon (Trogon collaris) in Tobago Main Ridge Forest Reserve, a UNESCO World Heritage Site; Trinidad and Tobago.

Common Fiscal of Fiscal Shrike (Lanius collaris) perched on a lookout branch, Nairobi National Park, Kenya, East Africa, Africa

Crotaphytus collaris, Common collared lizard

Close-up portrait of a collared pika (Ochotona collaris) pausing on a boulder in mid-August with a hank of wild grass in its mouth in Southcentral Alaska's Hatcher Pass in the Talkeetna Mountains north of Palmer, Alaska, United States of America

A collared pika (Ochotona collaris) pausing on the alpine tundra at Southcentral Alaska's Hatcher Pass, high in the Talkeetna Mountains north of Palmer in late August, Alaska, United States of America

A Collared Pika (Ochotona collaris) gathers food to put in small haystacks to dry and which will provide him with food for the cold and snowy winter months. Pikas do not hibernate. Hatcher Pass area near Palmer, South-central Alaska; Alaska, United States of America

A Collared Pika (Ochotona collaris) sounds an alarm to nearby Pikas to alert them to a possible danger or to simply communicate with others. Pikas do not hibernate and are actually small members of the rabbit family. Hatcher Pass area near Palmer, Alaska in South-central Alaska, late summer; Alaska, United States of America

A female collared sunbird, Hedydipna collaris, perches on an aloe flower, Aloe arborescens, Londolozi Game Reserve, Sabi Sands, Greater Kruger National Park, South Africa

A collared sunbird, Hedydipna collaris, sits on an aloe flower, Londolozi Wildlife Reserve, Sabi Sands, Greater Kruger National Park, South Africa

A collared sunbird, Hedydipna collaris, perches on a candelabra aloe, aloe arborescens, Londolozi Game Reserve, Sabi Sands, Greater Kruger National Park, South Africa

Black spotted collared lizard (Crotaphytus collaris melanomaculatus )

Black-spotted collared lizard (Crotaphytus collaris melanomaculatus)