Journey series flimsier than Birds series?

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Hello. I'm new here, so forgive me if you've heard this question before (mind you, I couldn't find it answered anywhere else in the forum)

Is it my imagination, or are the Canadian Journey notes thinner, flimsier and more papery than the old Birds series? I got some of the new $20s
out of the ATM the other day, and I was surprised about how floppy they  seemed. I recall the same thing with the new Journey $5s and $10s when they came out. I remember the new Birds $20s being a lot stiffer and more substantial. A number of other people I know have been complaining about it too.

Can anyone shed any light on the issue? Thanks.

I have noticed the same thing, but I don't have an answer as to why.

Because Spexel has closed its doors last June, the BoC had to find another paper supply.  It's a German paper maker who got the contract.  Its paper is now used on the new 20$ and 100$.  I don't know for sure if the 10$ (prefix BER and BES) and all the J-D 5$ notes are printed on the remainder of old Spexel's paper or switched on a German paper.

   Even if the paper seems flimsier that that one for the Bird serie, I think it will stand the circulation well.  I tried to soak a new note in water and it seems to me to be slightly more resistant.  It doesn't tears easily, even wet.  Maybe it's a different composition of the paper?  I only hope that it will stand better than the 5$ or 10$ notes.