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Rob Rich

👤 Person
441 total appearances

Appearances Over Time

Podcast Appearances

Ologies with Alie Ward
Castorology (BEAVERS) with Rob Rich

Yeah, good question. So there's some regional variation in that. But generally, beavers in the north are a little bit larger just to have a larger body size to sustain themselves through the winter and have that energy capacity. But I would say an average size would be between 40 to 50 pounds for an adult beaver.

Ologies with Alie Ward
Castorology (BEAVERS) with Rob Rich

Yeah, good question. So there's some regional variation in that. But generally, beavers in the north are a little bit larger just to have a larger body size to sustain themselves through the winter and have that energy capacity. But I would say an average size would be between 40 to 50 pounds for an adult beaver.

Ologies with Alie Ward
Castorology (BEAVERS) with Rob Rich

But they can get up to, you know, 60 to 90 pounds in some of those areas where they're quite large. And this is not sack of potato size for them at all. It's more along the size of a small dog in some ways, maybe like a border collie, but much lower to the ground, obviously shorter legs, but something along those lines when they're

Ologies with Alie Ward
Castorology (BEAVERS) with Rob Rich

But they can get up to, you know, 60 to 90 pounds in some of those areas where they're quite large. And this is not sack of potato size for them at all. It's more along the size of a small dog in some ways, maybe like a border collie, but much lower to the ground, obviously shorter legs, but something along those lines when they're

Ologies with Alie Ward
Castorology (BEAVERS) with Rob Rich

But they can get up to, you know, 60 to 90 pounds in some of those areas where they're quite large. And this is not sack of potato size for them at all. It's more along the size of a small dog in some ways, maybe like a border collie, but much lower to the ground, obviously shorter legs, but something along those lines when they're

Ologies with Alie Ward
Castorology (BEAVERS) with Rob Rich

Born, though, they're only about a pound or about the size of a loaf of bread, maybe. You know, that would be a good comparison. For a newborn beaver, it's about a pound.

Ologies with Alie Ward
Castorology (BEAVERS) with Rob Rich

Born, though, they're only about a pound or about the size of a loaf of bread, maybe. You know, that would be a good comparison. For a newborn beaver, it's about a pound.

Ologies with Alie Ward
Castorology (BEAVERS) with Rob Rich

Born, though, they're only about a pound or about the size of a loaf of bread, maybe. You know, that would be a good comparison. For a newborn beaver, it's about a pound.

Ologies with Alie Ward
Castorology (BEAVERS) with Rob Rich

Generally two kits, a newborn beaver is called a kit. And so generally two kits per litter, they can have up to four sometimes. The yearlings of that same monogamous pair of male and female will stay on with the family. And so you can have a combination of the two adults and then yearlings from the previous year and then newborns all in one lodge at the same time.

Ologies with Alie Ward
Castorology (BEAVERS) with Rob Rich

Generally two kits, a newborn beaver is called a kit. And so generally two kits per litter, they can have up to four sometimes. The yearlings of that same monogamous pair of male and female will stay on with the family. And so you can have a combination of the two adults and then yearlings from the previous year and then newborns all in one lodge at the same time.

Ologies with Alie Ward
Castorology (BEAVERS) with Rob Rich

Generally two kits, a newborn beaver is called a kit. And so generally two kits per litter, they can have up to four sometimes. The yearlings of that same monogamous pair of male and female will stay on with the family. And so you can have a combination of the two adults and then yearlings from the previous year and then newborns all in one lodge at the same time.

Ologies with Alie Ward
Castorology (BEAVERS) with Rob Rich

But by the time they reach two years old, that's typically a natural dispersal time. And so the two-year-olds will leave their natal birth area and strike out to find a new wetland that they can call their own.

Ologies with Alie Ward
Castorology (BEAVERS) with Rob Rich

But by the time they reach two years old, that's typically a natural dispersal time. And so the two-year-olds will leave their natal birth area and strike out to find a new wetland that they can call their own.

Ologies with Alie Ward
Castorology (BEAVERS) with Rob Rich

But by the time they reach two years old, that's typically a natural dispersal time. And so the two-year-olds will leave their natal birth area and strike out to find a new wetland that they can call their own.

Ologies with Alie Ward
Castorology (BEAVERS) with Rob Rich

That's a great question. Generally, they stay together for the entire time.

Ologies with Alie Ward
Castorology (BEAVERS) with Rob Rich

That's a great question. Generally, they stay together for the entire time.

Ologies with Alie Ward
Castorology (BEAVERS) with Rob Rich

That's a great question. Generally, they stay together for the entire time.

Ologies with Alie Ward
Castorology (BEAVERS) with Rob Rich

And very social and very territorial against other non-related beavers. They erect a lot of scent mounds, they're called, and they can be up to over a foot wide, a foot tall. And so there are these just heaps of dredged up vegetation and mud from the bottom of the pond or the wetland where they are.

Ologies with Alie Ward
Castorology (BEAVERS) with Rob Rich

And very social and very territorial against other non-related beavers. They erect a lot of scent mounds, they're called, and they can be up to over a foot wide, a foot tall. And so there are these just heaps of dredged up vegetation and mud from the bottom of the pond or the wetland where they are.

Ologies with Alie Ward
Castorology (BEAVERS) with Rob Rich

And very social and very territorial against other non-related beavers. They erect a lot of scent mounds, they're called, and they can be up to over a foot wide, a foot tall. And so there are these just heaps of dredged up vegetation and mud from the bottom of the pond or the wetland where they are.