Chapter 3- Rodents

Question 1

List physical differences between Norway rat and house mouse?

Answer 1

• Young rats have large feet and head compared to mice
• Young rat head stubby and short
• Rat tail is thick
• Mouse head triangular
• Rat belly gray
• Mouse belly brownish

REF: Ch 3 Pg 22 Table 1

Question 2

List physical differences between house mouse and deer mice?

Answer 2

• Deer mouse whitish belly
• Deer mouse has white feet
• Deer mouse has larger ears and eyes than house mouse

REF: Ch 3 Pg 22 Table 1

Question 3

What do fresh droppings (soft, shiny, dark) suggest?

Answer 3

-Active population is present

REF: Ch 3 Pg 22

Question 4

What do various sized droppings from same species mean?

Answer 4

-Different age levels are present, sign of viable, growing population

REF: Ch 3 Pg 22

Question 5

What do gray, crusted, brittle droppings mean?

Answer 5

-Rodents not longer active in area

REF: Ch 3 Pg 22