Questions tagged [rodents]

Mammals of the order *Rodentia*, which are characterized by a single pair of continuously growing incisors in each of the upper and lower jaws.

Filter by
Sorted by
Tagged with
0
votes
0answers
23 views

Is there any (practical) way to control a rodent population without predators?

It seems that New York has tried a number of ways to reduce their rat population, recently with fall traps. Unless they can kill all of the rats at once, it seems that this will just free up resources ...
2
votes
0answers
21 views

Is there benefit of use of red light over dim white light when interacting with rodents in the dark phase?

I've come across some "percieved wisdom" that rats and mice do not "see" red visible light and so use of this wavelength will allow humans to interact with rats in their active nocturnal phase without ...
0
votes
0answers
18 views

Why do my pets have eyebrow patterns?

I own roborovski hamsters and a duprasi. They both have little white “eyebrows” above their eyes. This is very cute, but I’m not sure what function it serves. I know humans have eyebrows to try and ...
2
votes
0answers
56 views

Small mammal identification

Small skull found in Alberta, Canada. Do not know the region. Skull is about 17 mm in length. Trying to identify the species, narrowed it down to most like a species of vole but can't figure out which ...
0
votes
0answers
62 views

Is there still a convincing argument/evidence that adult neurogenesis does not exist/play an essential role in NON-Human Primates?

Adult neurogenesis in human-being is a debated topic, and will probably take several years to get resolved. I am under impression that it is relatively easier to settle the debate on non-human ...
3
votes
1answer
11k views

Why do Guinea Pigs chirp / sing?

Ok, so this appears to be quite a mystery. Me and my girlfriend have 2 Guinea Pigs, 1 male and 1 female. My girlfriend once picked up the female one and took her outside into our garden. The Guinea ...
2
votes
0answers
37 views

Which agricultural crops attract rodents?

Are there any data on rodent populations per acre of different types of agricultural crops?
5
votes
1answer
79 views

How do rodenticides with delayed effect work?

Most modern rodenticides are claimed to cause death no earlier than several days after ingestion. That's quite strange - once a chemical was ingested it will be absorbed in the digestive system and ...
1
vote
1answer
2k views

Why do rodents' teeth continue to grow?

Why do rodents' teeth continue to grow? Enamel formation and/or root formation continue throughout rodents' lives. What's the mechanism that causes this?
5
votes
1answer
333 views

Why was polyploidy not lethal in certain octodontid rodents?

As discussed in Why is polyploidy lethal for some organisms while for others is not?, polyploidy is normally lethal in mammals. However, two species of Octodontidae (South American rodents), are ...
18
votes
1answer
2k views

How do porcupines keep from pricking each other while mating?

How do porcupines keep from pricking each other while mating? It seems like they would constantly be scratching each other.