-
edition of his
Systema Naturae under the
binomial name
Tetrao tetrix. Both
Tetrao and
tetrix come from
Ancient Gr****
words referring to some form of...
-
rackelwild is a
hybrid between the
western capercaillie (
Tetrao urogallus) and the
black grouse (Lyrurus
tetrix). Kleven, Oddmund; Brøseth, Henrik; Jon****en, Kyrre;...
- with the
black grouse (
Tetrao tetrix) and the
hazel grouse (Tetrastes bonasia) and
occasionally with the
western capercaillie (
Tetrao urogallus), the spruce...
- The
western capercaillie (
Tetrao urogallus), also
known as the
Eurasian capercaillie, wood grouse,
heather ****, ****-of-the-woods, or
simply capercaillie...
-
closed during the
spring breeding season of the
endangered black grouse (
Tetrao tetrix).
During the
summer there is a risk of fire in the
forest area. Boardwalks...
- silk ****ade and the
regimental cap
badge surmounted by a black**** (
Tetrao tetrix) feather. This last is a
tradition taken from the
Royal Scots and King's...
-
sawfly larvae being eaten more
frequently on cool days.
Black grouse (
Tetrao tetrix)
chicks show a
strong preference for
sawfly larvae.
Sawfly larvae formed...
- intensive-farming
techniques in
other areas.
These include the:
black grouse (
Tetrao tetrix), the
nightjar (Caprimulgus europaeus), the
woodlark (Lullula arborea)...
- (Pyrrhocorax pyrrhocorax),
skylarks (Alauda arvensis),
black grouse (
Tetrao tetrix) and red
grouse (Lagopus lagopus). In the
cliffs above Llyn
Idwal is...
- Starling-Westerberg, A. (2001). "The
habitat use and diet of
Black Grouse Tetrao tetrix in the
Pennine hills of
northern England". Bird Study. 48 (1). Informa...