Birds are one of the most diverse groups of ecosystem service providers, whose ecological
functions range from creating soil to shaping primate behavior, Nevertheless, the impression …

Birds are conspicuous in many habitats, occur worldwide, are ecologically diverse, and are
better known than other vertebrate groups. Birds devour pests, pollinate flowers, disperse …

For over one hundred years, ornithologists and amateur birders have jointly campaigned for
the conservation of bird species, documenting not only birds' beauty and extraordinary …

Ecosystem services are natural processes that benefit humans. Birds contribute the four
types of services recognized by the UN Millennium Ecosystem Assessment—provisioning …

Although there is a diversity of concerns about recent persistent declines in the abundances
of many species, the implications for the associated delivery of ecosystem services to people …

Ecosystem services are ecosystem processes that directly or indirectly benefit human well‐
being. There has been much recent literature identifying different services and the …

What do birds do for us? Some may find this an inappropriate or perhaps distasteful
question, suggesting as it might that the importance or value of birds lies principally in the …

What are birds worth—what is their actual dollar value to human society? To most of us in
the ornithological community, birds are invaluable. But in these times we need more specific …

Although most bird species avoid agricultural areas, nearly a third of all birds regularly to
occasionally use such habitats, often providing important ecosystem services like pest …

We present an overview of the global spatiotemporal distribution of avian biodiversity,
changes in our knowledge of that biodiversity, and the extent to which it is imperilled. Birds …