Cook Islands Philatelic Bureau (Philatelic Collector Inc.)

Aitutaki (Cook Islands)

15 January 2020

Turtles of the World (Part 1)

Aitutaki: Turtles of the World (Part 1), 15 January 2020. Images from personal collection and Philatelic Collector Inc..

Technical Specifications:

Issued On: 15 January 2020
Printing Method: Offset lithography
Perforations: 14 (white margins); 13½x13 (no margins)
Denominations & Designs:
50c (Cook Islands cents) – Olive Ridley Sea Turtle (Lepidochelys olivacea)
$1 (Cook Islands dollar) – Olive Ridley Sea Turtle (Lepidochelys olivacea)
$5 – Olive Ridley Sea Turtle (Lepidochelys olivacea)
$7 – Olive Ridley Sea Turtle (Lepidochelys olivacea)
Formats: Large sheets (white margins along all four sides); Miniature sheet of 8 (no margins); Miniature sheet of 4 (white margins along two sides)

The Cook Islands Philatelic Bureau is a client of Philatelic Collector Inc., producing “the government standard postage stamps for all of the Cook Islands. We offer newly designed postage stamps, stamp issues and collectible postage stamps, featuring images of the Cook Islands including; the islands of Aitutaki and Penrhyn, the British Royal Family, local flora and fauna, wild life, holiday themes and most recently, a celebration of the Boy Scouts and Girl Guides.”

The Bureau sells the stamps of Aitutaki, Cook Islands, Penrhyn, and Rarotonga through the Philatelic Collector Inc. website ( and can be contacted by email ( or and by regular mail at P.O. Box 3162, Sag Harbor, NY 11963 U.S.A.

The olive ridley sea turtle (Lepidochelys olivacea), also known commonly as the Pacific ridley sea turtle, is a species of turtle in the family Cheloniidae. The species is the second smallest and most abundant of all sea turtles found in the world. Lepidochelys olivacea is found in warm and tropical waters, primarily in the Pacific and Indian Oceans, but also in the warm waters of the Atlantic Ocean.

This turtle and the related Kemp’s ridley turtle are best known for their unique mass nesting called arribada, where thousands of females come together on the same beach to lay eggs.

Growing to about 61 cm (2 ft) in carapace length (measured along the curve), the olive ridley sea turtle gets its common name from its olive-colored carapace, which is heart-shaped and rounded. Males and females grow to the same size; however, females have a slightly more rounded carapace as compared to males.

The olive ridley sea turtle rarely weighs over 50 kg (110 lb). Adults studied in Oaxaca, Mexico, ranged from 25 to 46 kg (55 to 101 lb); adult females weighed an average of 35.45 kg (78.2 lb), while adult males weighed significantly less, averaging 33.00 kg (72.75 lb). Hatchlings usually weigh between 12.0 and 23.3 g (0.42 and 0.82 oz).

Miniature Sheet of 8:

Miniature Sheet of 4:


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