Understanding the evolutionary consequences of wildlife exploitation is increasingly
important as harvesting becomes more efficient. We examined the impacts of ivory poaching …

Musth is a state of heightened sexual and aggressive activity in male elephants,. Between
1992 and 1997, young orphaned musth male African elephants (Loxodonta africana) that …

A sample of 55 South African cheetahs (Acinonyx jubatus jubatus) from two geographically
isolated populations in South Africa were found to be genetically monomorphic at each of 47 …

We analyzed data from over 4500 elephants to show that animals in European zoos have
about half the median life span of conspecifics in protected populations in range countries …

We present a review of studies on elephant social and reproductive behaviour. While the
social organization of the African savannah elephant (Loxodonta africana africana) has …

Elephants from the tropical forests of Africa are morphologically distinct from savannah or
bush elephants. Dart-biopsy samples from 195 free-ranging African elephants in 21 …

Poaching of elephants is now occurring at rates that threaten African populations with
extinction. Identifying the number and location of Africa's major poaching hotspots may …

Evolutionary Implications of Pliocene Hominid Footprints Page 1 References and Notes 1. JP
Goliub and HL Swinney, Phys. Rev. Lett. 35, 927 (1975). 2. JP Gollub, SL Hulbert, GM Dolny …

The oldest Oldowan tool sites, from around 2.6 million years ago, have previously been
confined to Ethiopia's Afar Triangle. We describe sites at Nyayanga, Kenya, dated to 3.032 …

The Middle Awash Ardipithecus ramidus sample comprises over 145 teeth, including
associated maxillary and mandibular sets. These help reveal the earliest stages of human …