With April 15, 2024 being the 10-year anniversary of Teresa "Tex" Coyatawne joining the cast, I figured I should finally design her parents, Laurence and Selena.

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Lore-wise, when it comes to hybrid characters (including demihumans), it's usually the mother that determines the offspring's "visible species". As a result, hybridization between humans and other species tends to result in the most visually obvious hybrids, as the father's genes tend to influence things like how the ears and tail grow.

In a hypothetical raccoon x fox pairing, for example, this would likely result in a child that is very fox-like but has some hints of raccoon features and coloration and perhaps markings like the eye mask and tail rings, but in a hypothetical raccoon x human pairing the offspring will have noticeably raccoon-like ears and grow a tail, as well as likely having skin markings such as freckles and rings around the eyes, as demonstrated by Filbert Domnall and Nick Domnall.
(Whatever quirk allows for this level of hybridization and expression of it seems to be unique to humans, as it's unlikely I would ever have deer x fox people that are basically foxes with antlers--until I decided both Dawson Duncan and Jack Hawthorne were canon, the rules basically stated successful hybridization could only really happen between creatures that were somewhat genetically similar in ways my very limited knowledge of biology can't really articulate--and Ivaylo Boscov throws out the whole "no blending caniforms and feliforms" rule as he's a wolf/hyena hybrid that looks like a potato with a robot arm. They still have to at least both be mammals, though... excluding when actual aliens come into play, but this is already a tl;dr lore dump in the description of a pic only five people will ever see.)

Whether or not their noses take on the animal quality is something I'm a bit inconsistent with, as characters like Rosalie, Leah Todd, Dawson Duncan, and Dominic "Big Jack" Hawthorne do not have any noticeable animal quality to their noses while still having the ears and tails corresponding with their anthro parent. 
Other features tend to be less obvious, less visible, more subtle, or something I just never really bother to draw or mention in detail, such as Tex and many others having slightly longer/pointed canine teeth that sometimes result in a bit of a snaggletooth, Jack Hawthorne and Dawson Duncan having pronounced buck teeth and thicker fingernails and toenails than normal humans, and Dominic Mephitto having functional skunk glands.

Demihuman pairings with other anthro or humanoid characters have differing results, for example, Dominic "Skunk Boy" Mephitto, having a humanoid father and a skunk demihuman mother, only inherited his mother's tail while otherwise appearing fully human, while Riley, as the offspring of a wolf father and wolf demihuman, presents almost like a faun or satyr, with very "anthro" legs yet a more "standard" demihuman face and torso.

Like a lot of my worldbuilding and characterization, this explanation was reverse engineered from what I have already done/figured out over the years, figuring out the common threads of my aesthetic choices and then deciding what significance that may hold from a lore standpoint, like a solitaire version of Game Theory finding details in Minecraft to build up an entire world history for a game about punching dirt.
This level of reverse engineering combined with my lore also heavily implies Selena Coyatawne is a werecoyote just like Tex. She had to get it from somewhere.

(In-depth lore insight in the descriptions of pics that maybe five people will actually look at is kinda my thing.)