This study compared trends in body size, life span, metabolic rate, and ecology of bats and
marsupials with those from mammals generally, using a 580 species data base. The linear …

The evolutionary theory of aging predicts that life span should decrease in response to the
amount of mortality caused by extrinsic sources. Using this prediction, we selected six life …

Comparative studies of aging are often difficult to interpret because of the different factors
that tend to correlate with longevity. We used the AnAge database to study these factors …

Bat biologists have long known about the exceptional longevity of bats (Order: Chiroptera),
which is unusual for mammals of such a small size and a high metabolic rate. Yet relatively …

The evolutionary theory of aging predicts that species will experience delayed senescence
and increased longevity when rates of extrinsic mortality are reduced. It has long been …

The extended longevity of bats, despite their high metabolic rate, may provide insight to
patterns and mechanisms of aging. Here I test predictions of the free radical or oxidative …

Why is the brain so large in some primate species? Brain size is well correlated with body
size in primates, but some primates, such as humans and cebus monkeys, have much larger …

A new longevity record has been established for a free-living bat—41 years for a male
Brandt's bat, Myotis brandtii. The exceptional longevity of bats generally, and this species in …

Bats and birds live substantially longer on average than non-flying mammals of similar body
size. The combination of small body size, high metabolic rates, and long lifespan in bats and …

An individual's absolute fitness depends on the timing, quality, and quantity of reproduction.
This life history incorporates fundamental components of reproductive output and survival …