Hares Flashcards
What is the hare population highly correlated with
Canada Lynx
what are the 2 Lagomorpha families
Ochotonidae: Pikas
Leporidae: rabbits and hares
lagomorphs used to have what in its class?
rodents
What are the differences with rodents? give 5
-Upper Jaw: Four incisors (rodents:2)
- no Penis bone
-Scrotum in front of penis (back in rodents)
-strongly to strictly herbivorous (rodents occasional cannibalism and carnivorous behaviour)
-Coprophagy (use of refection): they re-eat their faces in order to actually digest everything
Are hares ALTRICAL or PRECOCIAL?
-Precocial
mother does not spend much time with young
-no paternal care
Are rabbits ALTRICAL or PRECOCIAL
-Altricial
-tend to have larger litters
-paternal care
have warrens (groups of holes in the ground)
Pikas are? monogamous or polygamy
are monogamous but provide no paternal care
what type of ovulation do they have?
induced
how do these animals choose who’s breeding?
Both females and males will compete by boxing or cuffing
-females asses the persistence of the males
-males urinate on the female in this process (spreading pheromones)
-during copulation(sex): squeaks and squeaky
Name characteristics of hares and jackrabbits (habitat, gestation, how many young)
-amazing runners (sprinters)
-exposed habitat (desert)
-Young: mother is hider type
-Precocial
-6 weeks gestation (40 days)
-few young (monocotous)
Name characteristics of rabbits and cottontails (habitat, gestation, how many young)
-good runners
-sheltered habitat
-young: kept in burrows
-Altricial
-4 week gestation (28 days)
-many young (polycotous)
What are the hares predators?
bobcats/ canada lynx
wolf and coyote
what animal is the class name of the eastern cotton tail?
sylvilagus floridanus
what is the class name of the arctic hare
Lepus Arcticus
what is the class name of the snowshoe hare
Lepus americanus
