and tube workers had been “phenomenal”.

“We have had a very warm day on the tube and in terms of feeling shown to us. We have had terrific support, with people sticking their heads into the carriages saying how wonderful we are and the Transport for London staff have been right behind us. Alasdair felt like a star,” he said.

The family had been touched by the “random gestures of complete strangers” who donated along the way, Richard Clift said.

Alasdair was allowed to ride in the front cab for the first two journeys of the day and was given a certificate recognising his achievement from Mark Wild, the managing director of London Underground, at Southwark station.

Alasdair is presented with a certificate by the managing director of London Underground, Mark Wild,the upper Laguna Madre, but by late winter, foraging by redheads in Louisiana had declined to the same level as that shown by redheads foraging in the upper Laguna Madre. The overall foraging level of redheads from Chandeleur Sound was greater (41%) than that of redheads in the upper Laguna Madre (26%), yet it was quite similar to the 46% foraging level reported for redheads from the lower Laguna Madre. Redheads in the upper Laguna Madre region of Texas fed more by diving than did those in the Chandeleur Sound and the lower Laguna Madre. Diving increased in frequency in late winter. Greater reliance by redheads on diving in January and February indicates that the birds altered their foraging to feed in deeper water, suggesting that the large