Ingo Arndt / Christmas Island Red Crabs (Gecarcoidea natalis) massing on coastal rocks, the morning after spawning, Christmas Island, Indian Ocean, Australian Territory
01256287
Nick Garbutt / Massing herds of White bearded wildebeest (Connochaetes taurinus albojubatus) on migration, Serengeti National Park, Tanzania
01234281
Andy Rouse / Common starling (Sturnus vulgaris) flock massing at dusk at winter roost, Gloucestershire, UK
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Andy Rouse / Common starling (Sturnus vulgaris) flock massing at dusk at winter roost, Gloucestershire, UK
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Andy Rouse / Common starling (Sturnus vulgaris) flock massing at dusk at winter roost, Gloucestershire, UK
01102966
Jabruson / Red billed quelea flock {Quelea quelea} + African elephant calf {Loxodonta africana} drinking. Tsavo East NP, Kenya
01102965
Jabruson / Red billed quelea flock massing to drink on the wing {Quelea quelea} Tsavo East NP, Kenya
01609003
David Tipling / Waders, Oystercatchers (Haematopus ostralegus) and Red knot (Calidris canutus) out on the Wash, massing together as the tide pushes in prior to high tide and roosting, Snettisham Norfolk, England, UK....
01609002
David Tipling / Waders, Oystercatchers (Haematopus ostralegus) and Red knot (Calidris canutus) out on the Wash, massing together as the tide pushes in prior to high tide and roosting, Snettisham Norfolk, England, UK....
01609001
David Tipling / Waders, Oystercatchers (Haematopus ostralegus) and Red knot (Calidris canutus) out on the Wash, massing together as the tide pushes in prior to high tide and roosting, Snettisham Norfolk, England, UK....
01596186
Ashley Cooper / Starling (Sturnus vulgaris) murmuration flying to roost near Kendal Cumbria, England, UK. January 2007
01596179
Ashley Cooper / Snails aestivating on a fence post in the Coto Donana, Andalucia, Spain, June 2011
