What popular nickname do scientists sometimes use for the underground mycorrhizal fungal network that lets trees share nutrients with their neighbors?

Nature

What is the name of the phenomenon where certain trees send carbon and nutrients to neighbouring trees through underground fungal networks?

A single teaspoon of healthy forest soil can contain several kilometres of fungal threads, forming the living backbone of the 'Wood Wide Web.'

Nature

Biologists note that the oxpecker's feeding habits on large mammals can shift between which two types of ecological relationship?

Oxpecker birds eat parasites off large animals, but sometimes peck open wounds and drink blood—the relationship shifts between helpful and parasitic mid-interaction.

Nature

Which mammal is known for following the greater honeyguide bird's chattering calls to find wild beehives, then tearing them open for both species to share?

Honey badgers intentionally team up with birds called honeyguide birds—the birds find beehives, badgers break them open, then both share the spoils.

Nature

Lacking an ink sac like true squid, what does the vampire squid release instead to help it vanish from predators?

Vampire squid turns itself inside-out like a living parka, cloaking predators in a mucus cloud while it escapes undetected.

Nature

Which tree species is considered the world's most massive single living organism by total volume, found only in California's Sierra Nevada?

The General Sherman giant sequoia weighs an estimated 1.4 million kilograms — heavier than 200 African elephants — yet it still grows, adding enough wood each year to produce a full-sized tree.

Nature

Roughly what proportion of its body weight does a blackpoll warbler burn as fuel during its nonstop transatlantic migration flight?

Blackpoll warblers fly nonstop for 86 hours across the Atlantic Ocean, burning half their body weight in fuel.