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Wolf Pup Development

Source: The Wolf / David Mech

AGE SIGNIFICANT DEVELOPMENT DEVELOPMENT PERIOD GROWTH PERIOD APPROXIMATE WEIGHT(Lbs)
Birth - Neonatal Maximal growth 0.5 - 1.0
11 - 15 days Eyes open Transition - 3.5
20 days Hearing begins Period of
Socialization
- 7.0
21 days First emergence
from den
- - -
35 days Weaning - - 13.0
8 - 10 weeks Pups abandon den
& live in temporary
rendezvous sites
-

-

15.0-22.0
11 weeks - Juvenile - 20.0-30.0
14 weeks - - Rapid growth 25.0-45.0
16 - 26 weeks Milk teeth replaced;
winter pelage
becomes apparent
- - 28.0-70.0
27 - 32 weeks Pups travel with
the pack
- Slow growth 30.0-80.0
1 year Epiphyseal cartilage
closes
- End of bone growth 60.0-100.0
22 months Sexual maturity Adulthood - -

 

Wolf Pup

Wolf pup +/- 14 days old

© Wolf Song of Alaska

Wolf pup +/- 3 months old

© Wolf Song of Alaska

 

Sub-adult

© Wolf Song of Alaska

 

Adult male 

© Wolf Song of Alaska

 

X-Ray / Wolf Puppy

X-rays of a 7 week-old male Canadian wolf pup
showing signs of metabolic bone disease.
Source:  Monty Sloan / Wolf Park

 

Red Wolf Pups

Red Wolf Pups

Wolf Pups by Maria Talasz - Equilux