Erzsebet Frey

Erzsebet Frey (Eli Frey) is an ecologist and online entrepreneur with a Master of Science in Ecology from the University of Belgrade. Originally from Serbia, she has lived in Sri Lanka since 2017. Eli has worked internationally in countries like Oman, Brazil, Germany, and Sri Lanka. In 2018, she expanded into SEO and blogging, completing courses from UC Davis and Edinburgh. Eli has founded multiple websites focused on biology, ecology, environmental science, sustainable and simple living, and outdoor activities. She enjoys creating nature and simple living videos on YouTube and participates in speleology, diving, and hiking.

Erzsebet Frey, ecologist and founder of Simply Ecologist
Types of wolves and their characteristics

Types of wolves and their characteristics

Wolf Types and Characteristics There are several different types of wolves, each with its own unique characteristics. Here are some of the most commonly recognized types of wolves: Part of my complete guide to wolves, which covers wolf species, pack structure, communication and current populations, with sources. Conservation update (2025) Wolves are having a historic […]

Types of wolves and their characteristics Read More »

Gray wolf

Species of wolves list

List of Wolf Species There are many subspecies of wolves including: Part of my complete guide to wolves, which covers wolf species, pack structure, communication and current populations, with sources. Related reading: Can Wolves Purr? What That Rumbling Sound Really Is, Wolf Eye Colors: What Colors Do Wolves Have?, Do Wolves Purr, Can red wolves

Species of wolves list Read More »

The wolves in Yellowstone

The wolves in Yellowstone: A Story of Ecological Restoration

Introduction to Yellowstone and the Wolf Reintroduction Program Yellowstone National Park is one of America’s most cherished natural wonders, covering over 2.2 million acres and boasting an incredible array of wildlife and landscapes. However, in the 1920s, the park’s ecosystem began to suffer due to the absence of a key predator: the gray wolf. Part

The wolves in Yellowstone: A Story of Ecological Restoration Read More »

Why can’t cheetahs roar?

Why can’t cheetahs roar?

Unlike other big cats such as lions, tigers, and leopards, cheetahs are unable to roar, instead, they purr and chirp. This is because of the structural differences in their vocal cords and larynx (voice box).   Part of my complete guide to cheetahs, which covers what tracking collars revealed about speed, the overheating myth, social

Why can’t cheetahs roar? Read More »

cheetah

Does cheetah live alone?

Cheetahs: The Solitary Hunters of the Savannah Cheetahs are known for their incredible speed and agility, making them one of the most fascinating big cats in the world. But despite their fear some reputation as hunters, these cats lead surprisingly solitary lifestyles. In this blog post, we will explore the reasons why cheetahs live alone

Does cheetah live alone? Read More »

Shopping Cart