Matthijs Kuijpers is a Dutch adventurer and photographer. He spent the last 27 years traveling and taking pictures of the most dangerous, surprising and endangered cold blooded animals out there.
Matthijs collected his best shots in his first book: COLD INSTINCT. In order to make this a reality, he just launched a crowdfunding campaign.
This book is an unparalleled collection of some of the most peculiar species that has ever crawled or slithered on Earth; and some of which are carefully dwelling in the most hidden crevices of the Planet!
You can follow The Cold Instinct project on Instagram.
Blue White-Lipped Island Pit Viper
A spectacular nocturnal snake species with heat pits that enable the snake to “see” in the dark.
Gran Canaria Blue Tailed Skink
Chalcides Sexlineatus also known as Gran Canaria blue tailed skink.
Only discovered in 2010. This is a rare species highly threatened by the conversion of low elevation rain forest into farmland and the extraction of timber.
Siamese Peninsula Pitviper
The pit next to the eye allow these snakes to have infrared vision.
A true dragon of our time. Found in high altitude tropical forest. The horns are used in battle with other males and to impress the ladies.
Strawberry Poison Frog
Oophaga Pumilio, also known as Strawberry Poison Frog.
Dyeing Poison Frog
Dendrobates Tinctorius, also known as Dyeing Poison Frog.
Splash-Back Poison Frog
Ranitomeya Variabilis also known as Splash-Back Poison Frog.
Purple Harlequin Toad
Discovered in 2013. They are found on Mt Nassau, Suriname, due to illegal gold mining they can be considered critically endangered and are in real danger of already being extinct.
This bizarre image showcase an unusual quirk of nature in the reptile world - a snake born with two heads. The condition of growing two heads, polycephaly, is rare in nature, but can occur through the same process that creates conjoined twins in humans. Both of the animal's heads seek food independently of the other.
Western Blue-Tongued Skink
Named after their blue tongues. These are large, massive lizards that are omnivorous.
Mount Hanang Chameleon
These are high altitude reptiles living in moorland between 2.700m and 3.300 m. Due to the extreme UV radiation at these altitudes they have a very thick skin.
Boa Constrictor Albino
Northern Green Tree Python
The colors of these snakes are actually excellent camouflage between the rainforest leaves.
Giant Monkey Frog
The skin secretion of this giant tree frog species is known as Vacina do sapo and contains different skin poisons. It is used in cleansing rituals and induces intense vomiting.
Golden Poison Frog
Phyllobates Terribilis also Golden Poison Frog. The most poisonous animal on earth.
Anthony's Poison Arrow Frog
Epipedobates Anthonyi, also known as Anthony's poison arrow frog.