Species of special concern are not necessarily creatures that are threatened. Species of special concern are animals that require "special protection, recognition, or consideration because it has an inherent significant vulnerability to habitat modification, environmental alteration, human disturbance, or substantial human exploitation which, in the foreseeable future, may result in its becoming threatened."
These animals of special concern aren't exactly low in population but have shown signs of decline in population. Due to pollution, poaching, environment destruction, and other actions that started to cause these animals to decline in population. Therefore actions were taken in advance to protect these animals before they become threatened or endangered.
ANIMALS -
SPECIES OF SPECIAL CONCERN
AMPHIBIANS
Florida bog frog
Georgia blind salamander
Gopher frog
Pine barrens treefrog
BIRDS
Black-crowned night heron
Black skimmer
Glossy ibis
Great egret
Great white heron
Least bittern
Limpkin
Little blue heron
Osprey
Reddish egret
Roseate spoonbill
Snowy egret
Tricolored heron
White ibis
Yellow-crowned night heron
CRUSTACEANS
Black Creek crayfish
Panama City crayfish
FISH
Bluenose shiner
Harlequin darter
Shoal bass
Suwannee bass
Tessellated darter
MAMMALS
Eastern chipmunk
Lower Keys marsh rabbit
REPTILES
Alligator snapping turtle
American alligator
Barbour's map turtle
Suwannee cooter
http://plants.ifas.ufl.edu/guide/endanger.html
(Animals listed in bold are the animals in the pictures.)