
William Edward Duellman
Information on this author is scarce, but their work continues to inspire readers.

Amphibians and Reptiles of the Rainforests of Southern El Petén, Guatemala
Venture into a Guatemalan rainforest to encounter an array of frogs, snakes, and lizards, and discover the secrets of their lives in this biodiversity hotspot.
By William Edward Duellman

The Amphibians and Reptiles of Michoacán, México
Venture into the world of Mexican wildlife through decades-old research, where previously unknown species and their habitats get their time to shine.
By William Edward Duellman

Systematic Status of the Colubrid Snake, Leptodeira discolor GĂĽnther
A scientist sorts out where a unique snake from Mexico fits into the complicated family tree of snakes, possibly giving it a new name.
By William Edward Duellman

A Distributional Study of the Amphibians of the Isthmus of Tehuantepec, México
This study uncovers the variety of frogs and salamanders in a unique Mexican region, examining the how environment impacts where they live.
By William Edward Duellman

Descriptions of New Hylid Frogs From Mexico and Central America
Uncover the secrets of the rainforest as a scientist catalogues newly found frog species, revealing their unique features and relationships.
By William Edward Duellman

A Review of the Middle American Tree Frogs of the Genus Ptychohyla
Venture into the cloud forests of Middle America to uncover the secrets of a mysterious genus of tree frogs through detailed scientific exploration and dedicated fieldwork.
By William Edward Duellman

Middle American Frogs of the Hyla microcephala Group
Venture into the world of tiny yellow tree frogs, where scientific discovery reveals their secrets of identity, love songs, and survival.
By William Edward Duellman

A Review of the Frogs of the Hyla bistincta Group
** Venture into the world of Middle American tree frogs as a scientist meticulously classifies them by their unique features, habitats, and evolutionary relationships.
By William Edward Duellman

The Genera of Phyllomedusine Frogs (Anura: Hylidae)
Discover the secret lives of Neotropical tree frogs, from their specialized adaptations to their unique methods of reproduction.
By William Edward Duellman

A New Subspecies of Lizard, Cnemidophorus sacki, from Michoacán, México
Discover the unique traits and behaviors of a newly identified lizard in Mexico, adding a new piece to the puzzle of Earth’s diverse wildlife.
By William Edward Duellman

A Taxonomic Study of the Middle American Snake, Pituophis deppei
Uncover the secrets behind the scales and colors that set apart different types of a Middle American snake through careful scientific study.
By William Edward Duellman

Descriptions of Two Species of Frogs, Genus Ptychohyla Studies of American Hylid Frogs, V
Two new frog species are brought to light through detailed field research, filling gaps in our understanding of hylid frog variety and behavior.
By William Edward Duellman

Type specimens of amphibians and reptiles in the Museum of Natural History, the University of Kansas
A detailed list of collected species turns a museum's archive into a vital tool for understanding animal diversity and correcting past errors.
By William Edward Duellman

Neotropical Hylid Frogs, Genus Smilisca
Discover the hidden lives of Central American frogs, their unique adaptations, and their place in the tree of life.
By William Edward Duellman