Figure 1.
Example of the distribution of a migratory species (Black-capped Kingfisher Halcyon pileata).
This figure is illustrating: (A) the complete distribution (in brown); (B) subdivision into breeding (red), resident (green) and non-breeding (blue) components; (C) July distribution (including breeding and resident components); (D) January distribution (including non-breeding and resident components); (E) non-permanent distribution (breeding and non-breeding components). Photo by JJ Harrison/Wikimedia Commons.
Figure 2.
Global patterns of species richness for birds.
Figure 3.
Global patterns for migratory species.
(A) Difference in local species richness between July and January, with positive values (in red) indicating areas that are richer in July, and negative values (in blue) indicating areas that are richer in January; (B) richness in migratory species (i.e., non permanent-species, that are only present seasonally in each area); and (C) the proportion of migratory (non-permanent) species.
Figure 4.
Migratory species diversity as a function of latitude.
(A) Difference in local species richness between July and January; (B) richness in migratory (non-permanent) species; and (C) proportion of migratory (non-permanent) species.
Figure 5.
Global diversity patterns for threatened and narrow-range migratory species.
(A) Richness in threatened migratory species; (B) richness in narrow-range migratory species.