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How long time does a T. Rex take to digest a seed?

When an animal ingests a seed, how long does it take for the seed to pass through its gut? This is an important question for plant ecologists, because seed retention time (SRT) can determine the distance the seed can travel. A number of studies have measured SRT for a...

WHY this variation in vulnerability?

As I child, I could only dream about the Amazon Rainforest. Few places had such a stronghold on my imagination – a mystical and remote place teeming with unparalleled diversity and exotic creatures. But when, decades later, I made my inaugural trip to Manaus, Brazil, I...

Cover February

The cover for our February Issue shows "The butterfly Charaxes jasius, recolonizing a burn area 10 days after a high intensity wildfire (Òdena fire, Barcelona, NE Spain; August 2015); photo: JG Pausas. The photo is from the paper Generalized fire response strategies in...

Generalists are the most urban-tolerant birds

What makes an urban bird (Figure 1)? Are there certain ecological and life history traits which make some species predisposed to urban living (Figure 2)? This is a longstanding question in urban ecology: see here, here, and here for just a few select examples. Much of...

Small text, big returns

Our Oikos way to increase healthy debate and speculation in ecology Speculation in scientific articles is frequently discouraged, even though it can lead to new hypotheses and debate. Too often, as well, co-authors seek a consensus or commonality regarding the...