Albert Cardona<p>A measurement of the extent that animals shape the environment:</p><p>“Global diversity and energy of animals shaping the Earth’s surface”, Gemma Harvey et al. 2025 <a href="https://www.pnas.org/doi/abs/10.1073/pnas.2415104122" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">pnas.org/doi/abs/10.1073/pnas.</span><span class="invisible">2415104122</span></a></p><p>Traces of the work of animals are everywhere. Here, a couple of entrances to burrows, which have been in the same place for years. The grass can’t grow on its path and is shaped to the size of the animal on the sides, drawing a tunnel.</p><p><a href="https://mathstodon.xyz/tags/ecology" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ecology</span></a> <a href="https://mathstodon.xyz/tags/burrows" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>burrows</span></a></p>