Frequently Asked Questions

How can I tell the difference between the types of rats I catch?

Three species of rats are present in New Zealand and all of them were introduced here.

Ship and Norway rats

The ship rat (Rattus rattus) is the most commonly found rat in New Zealand and is the smaller of the two European rat species. It has a tail that is longer than its body, and ears that cover the eyes when pressed forward.

Ship rats are widespread around New Zealand on the three main islands and on many offshore islands.  

The Norway rat (Rattus norvegicus) is different from the ship rat in that the tail, which is about 18 cm long, is thick and shorter than the body, which is about 20 cm long, and its ear doesn't reach the eye when pressed forward.

Norway rats are more typically associated with human activity and found in urban areas but they have also existed on more than 60 offshore islands.  

Kiore

Kiore is the Māori name for the Pacific or Polynesian rat (Rattus exulans). An adult kiore is approximately 4 cm shorter than an adult ship rat, but looks very similar and the two species are often confused. The tail of a kiore is shorter than the body. 

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How can I tell the gender of the rat I just caught?

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How do I tell if I caught a mouse or a juvenile rat?

 

A young rat will have a much larger head in proportion to the rest of its body.

Baby rats are born with short tails and these tails remain smaller than the overall length of their bodies; baby mice are born with long tails and they keep these long tails throughout their lives. Mice tails are at least as long as their bodies, if not often double the length.

It is important to note that rat tails are also much thicker than mice tails, though this may not be evident when a baby rat is firstborn. However, as these rodents age, you will soon be able to tell the difference between them based on their tails alone.

Trap.nz infield App not working for you?

 

Occasionally, there are glitches that occur in programmes, Here are the steps to take to help you as much as possible.

  1. Check the app logs, export them if there are any that haven’t synced

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2. Reset the app - Menu > Settings > Advanced > Reset

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Why can't new members see installations?

When a new member is added to a project without any permissions, they have limited access.

As a basic trapper they can:

A Project Administrator can update the new member's role to Advanced trapper to allow view only access to all installations via the website, or Manager complete access via the web and the app. If security and privacy is a concern, it is better to specifically assign installations to the trapper.

Read more about what the different roles mean and how to change members roles. 

Can I record ad-hoc kills on Trap.NZ?

In the event that a pest is killed by something other than a trap (e.g. roadkill, killed by cat/dog/firearm etc.), it can be useful to record this data as part of your project.

Currently, there's no direct way of recording these in Trap.NZ, but clever folks have found a way around it.

To record ad-hoc kills on Trap.NZ

  1. Create a trap in your project (anywhere in your project is fine)
  2. Call it something like "cat" or "dog" or "firearm" or "ad-hoc" etc.
  3. Give it trap type "Unspecified"
  4. Record "catches" on that trap

If you want to record multiple kills on this trap, you can do this on the website by changing the "Strike" count field.

The Proximity alert isn’t loud enough, how can I get it louder?

If you are finding the proximity function alerts are not loud enough try these steps

 

1. Select Settings

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2. Select sounds and vibrations

 

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3. Select Volume

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4. Here you can set the volume of your various apps, ensure “media” is set high

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If this doesn’t work you can also try the following

 

5. Select Advanced sound settings

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6. Separate App sound

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7. Select the App (trap.nz)

 

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8. Now select the device you are wanting the alerts to play on. For example, the alert could play through the Bluetooth in your vehicle

 

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How do I use the map tools?

Moving around the map