-
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...
- with the
black grouse (
Tetrao tetrix) and the
hazel grouse (Tetrastes bonasia) and
occasionally with the
western capercaillie (
Tetrao urogallus), the spruce...
- for the
copying females.
Another example can be seen in
black grouse,
Tetrao tetrix,
where the
naive females in
their first breeding season tend to mate...
- The
western capercaillie (
Tetrao urogallus), also
known as the
Eurasian capercaillie, wood grouse,
heather ****, ****-of-the-woods, or
simply capercaillie...
-
rackelwild is a
hybrid between the
western capercaillie (
Tetrao urogallus) and the
black grouse (Lyrurus
tetrix). Kleven, Oddmund; Brøseth, Henrik; Jon****en, Kyrre;...
- have
including adults of
mallard (Anas platyrhynchos),
black grouse (
Tetrao tetrix), ring-necked
pheasant (Phasi**** colchicus),
common raven (Corvus corax)...
- 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...
-
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...
- falcipennis),
black grouse (Lyrurus
tetrix),
western capercaillie (
Tetrao urogallus), black-billed
capercaillie (
Tetrao parvirostris),
willow ptarmigan (Lagopus...
-
sawfly larvae being eaten more
frequently on cool days.
Black grouse (
Tetrao tetrix)
chicks show a
strong preference for
sawfly larvae.
Sawfly larvae formed...