-
termed "true migration"
because they are
irregular (nomadism, invasions,
irruptions) or in only one
direction (dispersal,
movement of
young away from natal...
-
crossbill irruptions in the
British Isles occur very infrequently, and were
remarked upon by
writers dating back to the 13th century.
These irruptions led in...
-
Irruptive growth is a
growth pattern over time,
defined by a
sudden rapid growth in the po****tion of an organism.
Irruptive growth is
studied in po****tion...
-
Basin (/ˈsʌdbəri/), also
known as
Sudbury Structure or the
Sudbury Nickel Irruptive, is a
major geological structure in Ontario, Canada. It is the third-largest...
-
characteristics like age or ****.
Irregular (non-cyclical)
migrations such as
irruptions can
occur under pressure of famine, overpo****tion of a locality, or some...
-
irruptions at
temperate latitudes are
thought to be due to good
breeding conditions resulting in more
juvenile migrants.
These result in
irruptions occurring...
-
their offspring after the
breeding season.
Larger groups may form
during irruptions,
migration or
around a
particularly large fruiting tree.
Toucans often...
- the
lemming po****tion
affect the
behaviour of predators, and may fuel
irruptions of
birds of prey such as
snowy owls to
areas further south. For many years...
- in
optimal years.
Irruptions can be used as
indicators of
small mammal abundance and in
eastern North America,
southern irruptions have been
linked with...
- PMID 15653503. S2CID 28990783. Wilson, W.
Herbert Jr. (1999). "Bird
feeding and
irruptions of
northern finches:are
migrations short stopped?" (PDF).
North America...