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Rat Snake Care: the Russian Ratsnake – Large, Bold and Beautiful

[…]As an adaptation to the short summers in their native range, female Russian Ratsnakes retain their eggs for a time, and deposit them in a well-advanced state. At an incubation temperature of 82 F, they typically hatch within 40 days.   The hatchlings measure 11-15 inches in length and differ […]
Read more » Rat Snake Care: the Russian Ratsnake – Large, Bold and Beautiful

Constructing a Rain Chamber – the Ultimate Amphibian Breeding Technique

[…]of cork bark might be needed as well. Keep a sponge filter or corner filter handy for use once the eggs are deposited and the adults removed. Other Techniques The Zoo Med Canister Filter comes equipped with a spray bar…I’ve not yet tried, but since the filter can be operated […]
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Frog Reproduction Made Simple – Breeding Fire-Bellied Toads

[…]and a filter that does not create strong currents (corner filters are ideal). Females lay 100-200 eggs, usually within 24 hours of entering amplexus; the eggs attach to plants, sticks and airline tubing.  At 72 F, the tiny (7 mm) tadpoles hatch in 3-4 days.  They remain motionless and attached […]
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Amazing Fossil Confirms that Ancient Snakes Consumed Dinosaurs

[…]The most dramatic I’ve seen (many times!) depicts a small dinosaur incubating a clutch of eggs, and is on exhibit at the American Museum of Natural History. Further Reading Please see my article on Titanoboa to learn about a 43-foot-long, 2,500 pound Anaconda ancestor. You can see a re-creation of […]
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Tales of Giant Centipedes – Bat-Stalkers, Escapees and Words of Caution – Part 2

[…]referenced from wikipedia and originally posted by Eric Guinther (Marshman) Centipede protecting eggs image referenced from wikipedia and originally posted by Marshal […]
Read more » Tales of Giant Centipedes – Bat-Stalkers, Escapees and Words of Caution – Part 2

Urban Turtle fest – the New York Turtle and Tortoise Society’s Annual Show

[…]body of water) and other unsuitable habitats.  For several years I collected Snapping Turtle Eggs along the Bronx River and gave them to a friend, who is a monk in a local temple.  Temple members incubated the eggs and we held a release ceremony each August back at the Bronx […]
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Hatching Praying Mantid Egg Cases to Feed Tiny Amphibians and Invertebrates

Dietary variety is the key to success in rearing many herps and invertebrates.  Unfortunately, options for newly-transformed frogs and salamanders, Poison Frogs and other small species and hatchling spiders are limited. A diet of fruit flies, springtails and pinhead crickets sometimes suffices, but as I learned when rearing the endangered […]
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The Natural History of the Red-Tailed Ratsnake

[…]that frequent these areas. Diet Bats, mice, rats, squirrels and other mammals, birds and their eggs, treefrogs and lizards. Prey is killed by constriction; the tail is highly prehensile, allowing for long strikes at fast-moving, arboreal prey. There is some evidence that, especially in young animals, the red-tipped tail is […]
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Current Field Research – Reptile Natural History

[…]and Snapping Turtles. Texas Horned Lizard Nesting A Texas Horned Lizard was observed to leave its eggs uncovered after depositing them in the nest hole, apparently to seek shade and rest.  During the resting period, the lizard intently watched the eggs – the first such documentation of this behavior. After […]
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The Snapping Turtle, Chelydra serpentina – Part I, Natural History and Behavior in the Wild (with notes on size records)

[…]longer. REPRODUCTION In my experience, most females in NYC and the immediate environs lay their eggs on rainy nights in early June. I am always rewarded by the sight of nesting females on such nights and during the following mornings. If you have a chance to visit nesting sites during […]
Read more » The Snapping Turtle, Chelydra serpentina – Part I, Natural History and Behavior in the Wild (with notes on size records)

The Natural History of the Leopard Tortoise – Part 1

[…]are often surprised to find that males are surprisingly vocal during copulation! Females lay eggs from May-October, often taking over 2 hours to dig the nest hole; 5-7 clutches of 5-30 eggs each may be produced each year.  Egg output is related to the size and condition of the female […]
Read more » The Natural History of the Leopard Tortoise – Part 1

The Common Snapping Turtle, Chelydra serpentina – Care in Captivity (with notes on the Alligator Snapping Turtle, Macroclemmys temmincki) Part 1

[…]Setup Snapping turtles are entirely aquatic, rarely bask and usually leave the water only to lay eggs. Hatchlings and small turtles are best kept in water of a depth that allows them to breathe by extending their necks to the surface. They mainly walk about the bottom and are not […]
Read more » The Common Snapping Turtle, Chelydra serpentina – Care in Captivity (with notes on the Alligator Snapping Turtle, Macroclemmys temmincki) Part 1

Reticulated Python Natural History – a Giant Snake in Wild and Urban Habitats

[…]can raise their core temperatures and the temperature of the egg clutch. Females deposit 30-100 eggs after a gestation period of 100-150 days.  The eggs hatch in approximately 85 days. The hatchlings are 30-32 inches long-large enough to consume adult mice right away and become sexually mature at a length […]
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The Natural History and Taxonomy of the Blue Poison Frog, Dendrobates azureus (tinctorius)

[…]tended by the male, and sometimes by the female as well. Males soak in water and then lie over the eggs to moisten them, and may tend several clutches at once. The eggs hatch in 14-18 days and the tadpoles are transported to streams on the back of either parent. […]
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Odd and Giant Snake Meals – Sticks, Antelopes, People, Siamese Cats…

[…]coccinea, is rarely kept by hobbyists or zoos because of its preferred diet of lizard and snake eggs.  A specimen in South Carolina, however, consumed a young, dead Corn Snake with which it had been temporarily confined. The Southern Hognosed Snake, Heterodon simus, is widely “known” to be a confirmed […]
Read more » Odd and Giant Snake Meals – Sticks, Antelopes, People, Siamese Cats…

Assassin Bugs – Captive Care and a Spider-Hunting Assassin – Part 2

[…]All Assassin Bugs, including the US natives, should be handled only with forceps.   Assassin Bug eggs and nymphs are very tiny, and usually go un-noticed – be sure to use fine grade insect screening over their terrariums to prevent escapes. Environment and Breeding Red and White-Spotted Assassins can be […]
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The Natural History and Care of the Greater Siren

[…]on the pond bottom in densely vegetated sites.  There is some evidence that females may guard eggs, but we do not as yet know whether fertilization is internal or external (great project for an aspiring keeper!) The eggs hatch in April and May; very little is known of larval period. […]
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Research Update – Perret’s Night Frog (Astylosternus perreti) Defends Itself with Skin-Sheathed Claws

Harvard biologist David Blachurn knew he was onto something unusual when a benign-looking frog he was examining in Cameroon, West Africa kicked out and left him with a bleeding cut.  Unusual indeed – an article  (23 August 2008) in Biology Letters describes the hidden claws of Perret’s night frog as […]
Read more » Research Update – Perret’s Night Frog (Astylosternus perreti) Defends Itself with Skin-Sheathed Claws

The Natural History and Captive Care of the Mertens’ Water Monitor – Part 1

[…]the breeding season.  Females dig a burrow, which terminates in a leaf-lined chamber, for their eggs. There is evidence that, at least in certain populations, gravid females migrate to small, temporary water bodies before nesting; perhaps this safeguards the young from Salt Water Crocodiles, Crocodylus porosus, and other river-dwelling predators […]
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Large, Colorful Monitor Lizard Discovered – the Second New Monitor This Month!

[…]to the Forest Monitor, appears to consume a more traditional monitor diet of birds and their eggs, small mammals, invertebrates and carrion. Further Reading The official announcement of the new species and photographs are posted on the website of the University of California, Santa Barbara.   Black Tree Monitor image […]
Read more » Large, Colorful Monitor Lizard Discovered – the Second New Monitor This Month!
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