| 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 |
- |
- |
IMAGES

|

|
| © Wolf
Song of Alaska |
© Wolf
Song of Alaska |
 |
|
| © Wolf
Song of Alaska |
|
 |
| © Wolf
Song of Alaska |

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
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