Does a dark egg sack mean that the babies are molting?

[JumpingSimon]

My jumper has been sitting on her eggs for about 3 weeks now. Lucky for me the egg sack is placed on the glass so I can keep an eye on it.
Over the last few days the sack has becoming a bit grey in some areas. This morning there was even a few dots. I’m guessing it’s the babies who is getting their dark colour? Their mom is a black spider.
It would be nice if someone a little more experienced would take a look at the photo.
I also tried using a flash light to see them, but that didn’t really work.

(Don’t worry. I got deli cups and all that stuff prepared for when they come out. They aren‘t gonna stay in that enclosure).

 

[Nicole C G]

My jumper has been sitting on her eggs for about 3 weeks now. Lucky for me the egg sack is placed on the glass so I can keep an eye on it.
Over the last few days the sack has becoming a bit grey in some areas. This morning there was even a few dots. I’m guessing it’s the babies who is getting their dark colour? Their mom is a black spider.
It would be nice if someone a little more experienced would take a look at the photo.
I also tried using a flash light to see them, but that didn’t really work.

(Don’t worry. I got deli cups and all that stuff prepared for when they come out. They aren‘t gonna stay in that enclosure).
View attachment 398184

Those look like babies from what I can tell!

Now would be the time where you baby-proof the enclosure aka cover up all the exits and air holes with thin mesh

 

[JumpingSimon]

Those look like babies from what I can tell!

Now would be the time where you baby-proof the enclosure aka cover up all the exits and air holes with thin mesh

Cool I thought that the babies would stay close to the nest for the first few days after they came out, but I will cover up the enclosure now then

 

[Nicole C G]

Cool I thought that the babies would stay close to the nest for the first few days after they came out, but I will cover up the enclosure now then

They do, but it’s possible some brave ones will come out far enough to get into the vents. Better safe then sorry.

 

[JumpingSimon]

Just removed the mesh to shoot this little time-lapse of the brand new babies struggling to get out of the egg sack

 

[Nicole C G]

Just removed the mesh to shoot this little time-lapse of the brand new babies struggling to get out of the egg sack

So cute! I’ve been excited to see her babies.

 

[JumpingSimon]

So cute! I’ve been excited to see her babies.

Wow I just noticed all the movement in the dark area of the sack