Oxford study shows Manx shearwaters get lost when their body clocks get out of sync

Seabirds returning from foraging trips can be thrown hundreds of miles off course by a form of jet lag that arises when their body clocks get out of sync with local time, researchers say.

Tracking data from Manx shearwaters on the west coast of the UK revealed that when the birds returned home to their colonies after trips over the Atlantic, their rapid eastward flights disrupted their sense of time and navigation.

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© Photograph: George Reszeter/Alamy

© Photograph: George Reszeter/Alamy

© Photograph: George Reszeter/Alamy

In states like Florida, officers who hand out fishing citations and inspect produce have been deputized by Immigration and Customs Enforcement, expanding the reach of President Trump’s deportation campaign.

© Alfonso Duran for The New York Times