News tagged with population change

Winter sets up breeding success: study

For migratory birds, breeding grounds are where the action is. But a new study by University of Guelph biologists is among the first to suggest that the number of songbirds breeding during spring and summer depends mostly ...

dateMar 20, 2017 in Ecology
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'Black swan' events strike animal populations

Black swan events are rare and surprising occurrences that happen without notice and often wreak havoc on society. The metaphor has been used to describe banking collapses, devastating earthquakes and other major surprises ...

dateMar 07, 2017 in Ecology
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