ON THE MIGRATION OF BIRDS. 
(the Heron excepted) being on the ground, and ex- 
posed to every one: as rural ceconomy increased 
inthis country, these animals were more and more 
disturbed; at length, by a series of alarms, they 
were necessitated to seek, during the summer, 
some lonely safe habitation. On the contrary, 
those that build or lay in the almost inaccessible 
rocks which impend over the British seas, breed 
there still in vast numbers, having little to fear 
from the approach of mankind: the only dis- 
turbance they meet with in general, being from 
the desperate attempts of some few to get their 
eggs. 
CLOVEN FOOTED WATER BIRDS. 
[Tue Spoonbill has been seen in Norfolk, in 
April; and in Devonshire, in the winter months. | 
The White Heron is an uncommon bird, and 
visits us at uncertain seasons ; the common kind 
and the Bittern never leave us. 
[The Glossy Ibis, the only species which has 
SPOONBILL. 
Herons. 
Izis. 
visited England, was seen in Anglesey, and on ‘ 
the banks of the Thames, in the month of Sep- 
tember. | 
The Curlew breeds sometimes on our moun- 
tains; but, considering the vast flights which 
appear in winter, we imagine that the greater 
9¢2 
CuRLEWS. 
