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Rob Rich

👤 Person
441 total appearances

Appearances Over Time

Podcast Appearances

Ologies with Alie Ward
Castorology (BEAVERS) with Rob Rich

And so on the top ones, they're very orange on the outside. And so if you see a beaver's front teeth, you will see that orange that's enamel. And it's colored that way because of some of the iron and the compounds that they eat in the wood that they're having. But that closes over a wider area on the bottom teeth that is called dentine. And so that wider area is softer. The enamel is harder.

Ologies with Alie Ward
Castorology (BEAVERS) with Rob Rich

And so on the top ones, they're very orange on the outside. And so if you see a beaver's front teeth, you will see that orange that's enamel. And it's colored that way because of some of the iron and the compounds that they eat in the wood that they're having. But that closes over a wider area on the bottom teeth that is called dentine. And so that wider area is softer. The enamel is harder.

Ologies with Alie Ward
Castorology (BEAVERS) with Rob Rich

When they rub against each other like that, it's a constantly sharpening chisel. And so the beaver's teeth are extremely sharp and constantly becoming more so. And if they don't have access to wood and don't keep gnawing and working on that, then The teeth will keep growing and can become quite a dental hazard for them. So they do require wood for that purpose as well.

Ologies with Alie Ward
Castorology (BEAVERS) with Rob Rich

When they rub against each other like that, it's a constantly sharpening chisel. And so the beaver's teeth are extremely sharp and constantly becoming more so. And if they don't have access to wood and don't keep gnawing and working on that, then The teeth will keep growing and can become quite a dental hazard for them. So they do require wood for that purpose as well.

Ologies with Alie Ward
Castorology (BEAVERS) with Rob Rich

When they rub against each other like that, it's a constantly sharpening chisel. And so the beaver's teeth are extremely sharp and constantly becoming more so. And if they don't have access to wood and don't keep gnawing and working on that, then The teeth will keep growing and can become quite a dental hazard for them. So they do require wood for that purpose as well.

Ologies with Alie Ward
Castorology (BEAVERS) with Rob Rich

But yeah, hard enamel outside, soft white kind of dentine on the inside for those incisors, and then just a lot of continuous action to keep it sharp.

Ologies with Alie Ward
Castorology (BEAVERS) with Rob Rich

But yeah, hard enamel outside, soft white kind of dentine on the inside for those incisors, and then just a lot of continuous action to keep it sharp.

Ologies with Alie Ward
Castorology (BEAVERS) with Rob Rich

But yeah, hard enamel outside, soft white kind of dentine on the inside for those incisors, and then just a lot of continuous action to keep it sharp.

Ologies with Alie Ward
Castorology (BEAVERS) with Rob Rich

Great. So they are definitely 100% vegan. No animal fare of note in maybe an insect or something will slip in occasionally, but there's very minimal to no record of of them relying on any animal food in their diet.

Ologies with Alie Ward
Castorology (BEAVERS) with Rob Rich

Great. So they are definitely 100% vegan. No animal fare of note in maybe an insect or something will slip in occasionally, but there's very minimal to no record of of them relying on any animal food in their diet.

Ologies with Alie Ward
Castorology (BEAVERS) with Rob Rich

Great. So they are definitely 100% vegan. No animal fare of note in maybe an insect or something will slip in occasionally, but there's very minimal to no record of of them relying on any animal food in their diet.

Ologies with Alie Ward
Castorology (BEAVERS) with Rob Rich

And so in the spring and summer and warmer months when the veg is succulent and there's a lot of herbaceous or non-woody plants out there, there's a number of wetland-associated plants that they will eat. They will also use the roots of certain things, like water lily roots are sometimes important for beavers.

Ologies with Alie Ward
Castorology (BEAVERS) with Rob Rich

And so in the spring and summer and warmer months when the veg is succulent and there's a lot of herbaceous or non-woody plants out there, there's a number of wetland-associated plants that they will eat. They will also use the roots of certain things, like water lily roots are sometimes important for beavers.

Ologies with Alie Ward
Castorology (BEAVERS) with Rob Rich

And so in the spring and summer and warmer months when the veg is succulent and there's a lot of herbaceous or non-woody plants out there, there's a number of wetland-associated plants that they will eat. They will also use the roots of certain things, like water lily roots are sometimes important for beavers.

Ologies with Alie Ward
Castorology (BEAVERS) with Rob Rich

And just in the water lily pad leaves, a lot of those succulent plants are not available, certainly year-round. When they cut down a tree or cut down a branch or whatnot, they're not ingesting the entire thing. They're mostly after what we call the cambium, which is this thin layer of sugary cells where the tree is actively growing. And so most of what we call on a tree is actually dead cambium.

Ologies with Alie Ward
Castorology (BEAVERS) with Rob Rich

And just in the water lily pad leaves, a lot of those succulent plants are not available, certainly year-round. When they cut down a tree or cut down a branch or whatnot, they're not ingesting the entire thing. They're mostly after what we call the cambium, which is this thin layer of sugary cells where the tree is actively growing. And so most of what we call on a tree is actually dead cambium.

Ologies with Alie Ward
Castorology (BEAVERS) with Rob Rich

And just in the water lily pad leaves, a lot of those succulent plants are not available, certainly year-round. When they cut down a tree or cut down a branch or whatnot, they're not ingesting the entire thing. They're mostly after what we call the cambium, which is this thin layer of sugary cells where the tree is actively growing. And so most of what we call on a tree is actually dead cambium.

Ologies with Alie Ward
Castorology (BEAVERS) with Rob Rich

cellulose material. It's not something that is nutritious in any way, but they will seek out that cambium layer just below the bark and below before you get into the real kind of deadwood of the tree. And so they will eat first and then use some for building or some they're just used for feeding as well. A little bit of a mixed bag there.

Ologies with Alie Ward
Castorology (BEAVERS) with Rob Rich

cellulose material. It's not something that is nutritious in any way, but they will seek out that cambium layer just below the bark and below before you get into the real kind of deadwood of the tree. And so they will eat first and then use some for building or some they're just used for feeding as well. A little bit of a mixed bag there.

Ologies with Alie Ward
Castorology (BEAVERS) with Rob Rich

cellulose material. It's not something that is nutritious in any way, but they will seek out that cambium layer just below the bark and below before you get into the real kind of deadwood of the tree. And so they will eat first and then use some for building or some they're just used for feeding as well. A little bit of a mixed bag there.