---
title: "Black mamba vs mallard — size, weight and speed compared"
description: "Black mamba is somewhat greater than mallard on weight — about 1.5×. Compared on 4 measured properties, with the full range and a source for each."
url: https://atoneplace.net/vs/black-mamba-vs-mallard/
site: "At One Place"
---

# Black mamba vs Mallard

**Black mamba vs mallard: Black mamba is larger on weight**

Black mamba is somewhat greater than mallard on weight — about 1.5×.

A black mamba and a mallard can be compared on 4 measures. The figures below are typical adult or full-size values, with the larger of the two in bold.

## Side by side

*Larger value in bold. Ranges reflect genuine variation, not uncertainty.*

|  | Black mamba | Mallard |
| --- | --- | --- |
| Weight | 1–3.1 kg | 0.7–1.6 kg |
| Length | 2–4.3 m | 0.5–0.65 m |
| Top speed | 11–20 km/h | 88 km/h |
| Typical lifespan | 10–20 yr | 3–29 yr |

## What the numbers say

- Black mamba is somewhat greater than mallard on weight — about 1.5×.
- Black mamba is 4.3× mallard on length.
- Mallard is 5.5× black mamba on top speed.
- Black mamba is 2.2× mallard on typical lifespan.

*Weight compared.*

- Black mamba: 1–3.1 kg
- Mallard: 0.7–1.6 kg

## Black mamba

The fastest snake and Africa's longest venomous one; it is named for the black inside of its mouth, not its colour.

## Mallard

The most common wild duck in the Northern Hemisphere and the ancestor of nearly all domestic ducks.

> This is a comparison of published measurements, nothing more. It describes how two things differ on measures that have been recorded; it does not predict how they would fare against each other in any situation.

## Common questions

### Which is bigger, black mamba or mallard?

Black mamba is somewhat greater than mallard on weight — about 1.5×. Both figures are typical values; the full range for each is in the table above.

### How do black mambas and mallards compare on length?

Black mamba: 2–4.3 m. Mallard: 0.5–0.65 m. Black mamba is 4.3× mallard on length.

### How do black mambas and mallards compare on top speed?

Black mamba: 11–20 km/h. Mallard: 88 km/h. Mallard is 5.5× black mamba on top speed.

## Related pages

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- [Black mamba vs king cobra](https://atoneplace.net/vs/black-mamba-vs-king-cobra/)
- [Black mamba vs platypus](https://atoneplace.net/vs/black-mamba-vs-platypus/)

## Sources

- Wikidata — Wikimedia Foundation (https://www.wikidata.org/) [CC0 1.0]