Is there an image missing in your reply? 
But you're spot on, and what's worse, while some of the token girls, like Gadget in the pic above, at least has some unique personality traits and bring their own skills to the group,
too many token girls literally just have "girl" as their only personality trait, and only talk about liking pink, romance, acting like a mommy to the boys, and nearly all episodes focusing
on her character will be about somebody falling in love with her, and/or kidnapping her or about her becoming a surrogate mom for some creature.
Plus I've noted a visual theme of when it's anthropomorphic animals, the girl will often look way more like a pretty human than her male compatriots, human hair, more of a white human skin tone, and a more human-shaped face in general.

But you're spot on, and what's worse, while some of the token girls, like Gadget in the pic above, at least has some unique personality traits and bring their own skills to the group,
too many token girls literally just have "girl" as their only personality trait, and only talk about liking pink, romance, acting like a mommy to the boys, and nearly all episodes focusing
on her character will be about somebody falling in love with her, and/or kidnapping her or about her becoming a surrogate mom for some creature.
Plus I've noted a visual theme of when it's anthropomorphic animals, the girl will often look way more like a pretty human than her male compatriots, human hair, more of a white human skin tone, and a more human-shaped face in general.