Ontario is home to eight species of bats, including four endangered species. You will find an introduction to each species below. The first six species listed have been seen or recorded by acoustic monitoring equipment in Pinery.

Little Brown Myotis (Myotis lucifugus)*ENDANGERED IN CANADA*
Seen in Pinery
SIZE: 4-11g, average forearm size 38mm
ROOSTS: Small, enclosed spaces including rock crevices, hollow trees, and human-made structures like house, barns, or bat boxes
DIET: Wide variety of insects, often over water
WINTER BEHAVIOUR: Hibernates in caves or abandoned mines
FUN FACT: Often found in houses and therefore frequently seen by humans




Big Brown Bat (Eptesicus fuscus)
Seen in Pinery
SIZE: 10-21g, average forearm size 45mm
ROOSTS: Small cavities in hollow trees, rock crevices, and buildings
DIET: Wide variety of insects, especially beetles
WINTER BEHAVIOUR: Hibernates in caves, abandoned mines, or buildings
FUN FACT: Second largest bat species in Ontario; often found in houses and therefore frequently seen by humans




Eastern Red Bat (Lasiurus borealis)
Seen in Pinery

SIZE: 8-18g, average forearm size 40mm
ROOSTS: Solitary in foliage
DIET: Wide variety of insects, especially moths
WINTER BEHAVIOUR: Migrates, but migration routes are unknown
FUN FACT: High, fast fliers; often seen foraging around streetlights




Hoary Bat (Lasiurus cinereus)
Seen in Pinery

SIZE: 18-39g, average forearm size 54mm
ROOSTS: Solitary in foliage
DIET: Insects (especially moths), occasionally grass, small snakes, and small bats
WINTER BEHAVIOUR: Migrates, likely to Mexico
FUN FACT: Largest bat species in Ontario; often seen foraging around streetlights




Tri-coloured Bat (Perimyotis subflavus)*ENDANGERED IN CANADA*
Recorded in Pinery

SIZE: 5-7g, average forearm size 35mm
ROOSTS: Small spaces or in foliage
DIET: Wide variety of insects
WINTER BEHAVIOUR: Hibernates in caves or abandoned mines
FUN FACT: The only foliage roosting species in Ontario that roosts in groups




Silver-haired Bat (Lasionycteris noctivagans)
Recorded in Pinery

SIZE: 9-13g, average forearm size 41mm
ROOSTS: Cavities such as hollow trees
DIET: Wide variety of insects, often over water
WINTER BEHAVIOUR: Migrates, but migration routes are unknown
FUN FACT: Sometimes roosts on the outside of buildings during the fall migration




Eastern small-footed Myotis (Myotis leibii)*ENDANGERED IN ONTARIO*
SIZE: 3-5g, average forearm size 32mm
ROOSTS: Few records exist in Ontario, but probably in small spaces such as behind window shutters
DIET: Wide variety of insects
WINTER BEHAVIOUR: Hibernates in caves or abandoned mines
FUN FACT: The least studied Ontario bat species; strongly resembles the Little Brown Myotis but is smaller with a dark facial mask




Northern long-eared Myotis (Myotis septentrionalis)*ENDANGERED IN CANADA*
SIZE: 4-7g, average forearm size 36mm
ROOSTS: In small crevices, under bark, or in human-made structures
DIET: Wide variety of insects, including flightless insects and spiders
WINTER BEHAVIOUR: Hibernates in caves or abandoned mines
FUN FACT: The only bat in Ontario that has been observed gleaning, or catching non-flying prey off of tree leaves, grasses or the ground