The opening up of new areas for benthic colonisation is an important effect of the loss of ice in Antarctic Peninsula. Particularly, in Potter Cove (25 de Mayo/King George Island, South...
A reflection of the sky on the wide black water Negro River, the main north bank tributary of the Amazon River, which is a barrier to gene flow between vertebrates found on the Guiana...
Copepods are the main group of the zooplankton in Mediterranean pelagic ecosystems, both in terms of abundance and diversity. Not only do copepods play a pivotal role in marine...
Caves are excellent natural laboratories for the study of global changes in environment because of their remarkable ecological and thermal stability. The principal mechanisms underlying...
Tropical frugivore bird communities mainly consist of obligate frugivourous species, which form fairly generalized interaction networks with their fruit plants, i.e. the birds often...
The tendency of organisms to form high-density aggregations is a universal aspect of aquatic and terrestrial ecosystems. Euphausiid (krill) aggregations (pictured here a catch of ...
Bartlett Experimental Forest in the heart of the White Mountain National Forest (WMNF), New Hampshire, USA. The WMNF region is mountainous ranging from 114 m in...
The Tennessee Warbler (Oreothlypis peregrina), one of the most abundant breeding birds of boreal forests in eastern Canada, is another species considered most likely to become a...
Appearing very snake-like, the Greater pipefish (Syngnathus acus) nestles among the leaves of common eelgrass (Zostera marina) in a shallow coastal bay in the Gullmar...
Close-up of the characteristic flower spikes of a Banksia species in Melbourne, Australia. Urban areas across the world have seen the partly extinction of the flora historically...
A female elephant hawkmoth (Deilephila elpenor) resting on a paeony bud. The moth's name derives from the appearance of the caterpillar, which is said to resemble an elephant's trunk....
Awakening early from a mid-day nap and surrounding by adult females in its family, an African elephant calf begins playing with its previously sleeping cousin. Using a graph theoretic...
A rainbow lorikeet (Trichoglossus haematodus) and a helmeted friarbird (Philemon buceroides) eye each other warily at a flowering Schefflera actinophylla in...
Today, few streams are pristine until one goes to high elevations or latitudes, and most streams have a long history of alteration due to climate change and human disturbance. Questions...
A cape vulture attacks a trio of black-backed jackals feeding on a carcass. Direct competition of this sort is just one of the factors on our scale of scavenging, a scale which we use to...
For centuries followers of the Ethiopian Orthodox Church have conserved patches of native trees around church buildings as sacred sanctuaries for church communities. Today there are as...
Artificial wetlands can be good for some birds such as flamingos which concentrate in salt ponds and fish ponds (e.g. in Doñana, Spain). However, the diversity and proportion of...
An adult male American dipper (Cinclus mexicanus) gathers aquatic invertebrates to feed his hungry nestlings on Barnes Creek, Washington, USA. The quality of this food can...
An overwintering western monarch butterfly (Danaus plexippus) at the Goleta Butterfly Grove and Coronado Butterfly Preserve in Goleta, CA. Monarch butterflies in western North...
Colouration of insects like of the depicted tiger beetle (Cicindela sylvicola) is supposed to have multifarious reasons ranging from predator avoidance to sexual advertisement....