138 
One might believe that the birds on their way from Danmark 
in autumn mainly follow the shores and then fly up the rivers, 
particularly if there are meadows or swamps along them, and spend 
the winter by strolling in crowds from place to place, where food 
is best found, especially where the ground is overflowed with fresh 
water and a few bushes afford a shelter from the wind or the cold. 
The three immense tracts of boggy land: the Bog of Allen in 
Ireland, Les marais North of la Rochelle and Las marismas at 
the mouth of the Guadalquivir all have had their part of the ringed 
teal.  Possibly the teal move particularly at night. Cold dispirits 
them rapidly, so that they are more easily approached and shot, 
and they hasten to flee to milder countries. 
The marked teal are surely not all hatched in Danmark, at 
any rate one of them, found near Stockholm (about 750. kilom. 
