How many baby Washington ground squirrels are in a litter?
A Washington ground squirrel (Spermophilus washingtoni) usually gives birth to around 7 babies.With 1 litters per year, that sums up to a yearly offspring of 7 babies.
Upon birth, they weight 7 grams (0.02 lbs) and measure 4.8 cm (0′ 2″). They are a member of the Sciuridae family (genus: Spermophilus). An adult Washington ground squirrel grows up to a size of 16.6 cm (0′ 7″).
To have a reference: Humans obviously usually have a litter size of one ;). Their babies are in the womb of their mother for 280 days (40 weeks) and reach an average size of 1.65m (5′ 5″). They weight in at 62 kg (137 lbs), which is obviously highly individual, and reach an average age of 75 years.
The Washington ground squirrel (Urocitellus washingtoni) is a squirrel found in the Pacific Northwest, in the states of Washington and Oregon of the Northwestern United States.
Other animals of the family Sciuridae
Washington ground squirrel is a member of the Sciuridae, as are these animals:
- Indian palm squirrel with 2 babies per pregnancy
- Vancouver Island marmot with 3 babies per pregnancy
- Slender-tailed squirrel weighting only 427 grams
- American red squirrel with 4 babies per pregnancy
- Hoary marmot with 4 babies per pregnancy
- Whiskered flying squirrel with 1 babies per pregnancy
- Swynnerton’s bush squirrel weighting only 675 grams
- Belding’s ground squirrel with 5 babies per pregnancy
- Merriam’s chipmunk with 4 babies per pregnancy
- Mentawai three-striped squirrel weighting only 241 grams
Animals that share a litter size with Washington ground squirrel
Those animals also give birth to 7 babies at once:
- Long-tailed planigale
- Red-tailed phascogale
- Fat-tailed dunnart
- Ooldea dunnart
- Lesser bandicoot rat
- Taiga shrew
- Piute ground squirrel
- Stolička’s mountain vole
- Southern multimammate mouse
- Dibbler
Animals with the same weight as a Washington ground squirrel
What other animals weight around 215 grams (0.47 lbs)?
- Large mosaic-tailed rat weighting 209 grams
- Salta tuco-tuco weighting 230 grams
- Bolaños woodrat weighting 198 grams
- Argentine tuco-tuco weighting 221 grams
- Black-striped squirrel weighting 209 grams
- Collared tuco-tuco weighting 210 grams
- Lesser mole-rat weighting 189 grams
- Small sun squirrel weighting 174 grams
- Speckled ground squirrel weighting 252 grams
- White-bellied nesomys weighting 214 grams
Animals with the same size as a Washington ground squirrel
Also reaching around 16.6 cm (0′ 7″) in size do these animals:
- Large mole gets as big as 14.9 cm (0′ 6″)
- One-striped opossum gets as big as 13.7 cm (0′ 6″)
- Nelson’s spiny pocket mouse gets as big as 15.8 cm (0′ 7″)
- Smith’s bush squirrel gets as big as 17.2 cm (0′ 7″)
- Dark-tailed tree rat gets as big as 15.9 cm (0′ 7″)
- Halmahera naked-backed fruit bat gets as big as 17.8 cm (0′ 8″)
- Beaufort’s naked-backed fruit bat gets as big as 16.1 cm (0′ 7″)
- Slender rat gets as big as 14.2 cm (0′ 6″)
- Vogelkop mountain rat gets as big as 13.4 cm (0′ 6″)
- Maxomys baeodon gets as big as 16.7 cm (0′ 7″)