Confusing versus clarifying flight-displays in impalas

Confusing versus clarifying flight-displays in impalas

Aepyceros melampus showing honest/informative display photo © Yathin sk Confusing versus clarifying flight-displays in impalas Impalas are unique among hoofed mammals in using two different forms of display while fleeing – the first confuses the predator and the...
The Ethiopian wolf’s white gloves

The Ethiopian wolf’s white gloves

Canis simensis photo © Laika ac                       The Ethiopian wolf’s white gloves Of the five wild species of Canis in and around Ethiopia, only the Ethiopian wolf has an immaculately pale surface on the fore foot. The conspicuousness of this unique feature –...
A country spoiled for choice in megafauna

A country spoiled for choice in megafauna

Common Warthog (Phacochoerus africanus) © Bernard Dupont, via Wikimedia Commons The desert warthog is more massive than any indigenous mammal on the whole continent of Australia. However, South Africa retains such a diverse fauna of large mammals that the opportunity...
Illuminating the darkest of wildebeests

Illuminating the darkest of wildebeests

Connochaetes gnou photo © Kieth Offord Illuminating the darkest of wildebeests The black wildebeest is really medium brown if described by its pigmentation. Its blackness at a distance is illusory, caused by an optical effect which deserves a new antonym to ‘sheen’ or...
Speciation of wildebeests across the dark-pale divide

Speciation of wildebeests across the dark-pale divide

Connochaetes mearnsi photo ©  Stefan Swanepoel Speciation of wildebeests across the dark-pale divide Connochaetes albojubatus adult male photo ©  Paul Mannix Two species of white-bearded wildebeests in East Africa have diverged categorically in how they achieve...
The dead-pan ears of a menacing wildebeest

The dead-pan ears of a menacing wildebeest

Connochaetes gnou photo © Vassil  The dead-pan ears of a menacing wildebeest The black wildebeest is unique among African hoofed mammals in having the ear plain brown on both sides in adults. Most hoofed mammals show distinct markings on the ears in intraspecific...