Swan DNA Sexing

DNA Sexing Service

Swan DNA Sexing

Accurate DNA sexing for Mute Swans, Trumpeter Swans, Black Swans, and all swan species. Feather-based collection with results in 2 to 3 business days after your samples arrive.

Order Swan DNA Sexing

Why DNA Sex Your Swans?

Cygnets Look Identical

Male and female swan cygnets look nearly identical for months. Voice sexing is unreliable until birds mature, and visual differences can take 1 to 2 years to appear. DNA sexing gives you the answer early.

Pair Bonding for Life

Swans form strong, often lifelong pair bonds. Knowing the sex of your birds early lets you plan compatible pairs or trios, reduce aggression, and avoid keeping multiple males together in small ponds.

Breeding Program Planning

If you are raising swans for breeding, you need the right male-to-female ratio. DNA sexing lets you sort cygnets into grow-out groups and plan future pairings without waiting years for physical maturity.

Conservation and Wildlife Programs

Zoos, wildlife rehabilitators, and conservation groups use DNA sexing for record-keeping, release planning, and population management where invasive methods are not appropriate.

Large, Valuable Birds

Swans represent a significant investment and live for decades. Knowing the sex at a young age protects that investment and helps match birds with the right buyers, breeders, or permanent homes.

Sell with Confidence

Buyers pay a premium for guaranteed male or female swans. Offering DNA-verified sex builds trust and helps justify higher prices, especially for rare species like Black-necked or Coscoroba Swans.

How It Works

1

Order Online

Select your DNA sexing test from our shop. Choose your sample type and quantity.

2

Collect Your Sample

Pull 3 to 5 breast or body feathers with the root (pulp) attached. Blood cards and eggshell samples also work.

3

Mail to Our Lab

Send your labeled samples to our lab in Bailey, Michigan.

4

Get Your Results

Results appear in your online portal in 2 to 3 business days after your samples arrive of our lab receiving the sample (weekdays).

Simple, Transparent Pricing

Per-bird pricing. No hidden fees. Volume discounts available.

Feathers

$9/bird

Most popular method

Blood Cards

$9/bird

Clip a toenail, blot the card

Blood Vials

$8/bird

Veterinary collection

Eggshell

$10/egg

Sex at hatch

Bundle & Save – 8+ birds starting at $64 (feathers)

Swan Species We Test

Our DNA sexing works on all swan species, including:

Mute Swans Trumpeter Swans Tundra Swans Black Swans Whooper Swans Bewick’s Swans Black-necked Swans Coscoroba Swans Whistling Swans

99.9%

Accuracy Rate

2 to 3 business days

Average Turnaround

500+

Breeders Trust Us

Frequently Asked Questions

How young can I test a swan cygnet?

You can test as soon as the cygnet has juvenile feathers with visible roots, typically around 2 to 4 weeks of age. For younger birds or downy cygnets, a blood card from a quick toenail clip is a reliable alternative.

Can I collect feathers from a swan safely?

Yes. Swans are large but generally tolerate gentle handling. Pull 3 to 5 breast or side body feathers during routine care. The feathers need a visible fleshy root (pulp) at the base. If you are unsure, have an experienced handler assist.

Do you work with zoos and wildlife programs?

Yes. We regularly work with zoos, wildlife rehabilitation centers, and conservation programs. Contact us for volume pricing and priority processing if you have multiple swans or ongoing testing needs.

Can I use eggshell DNA sexing for swans?

Yes. After a cygnet hatches, save a piece of the inner membrane from the eggshell, let it air dry, and mail it to us. This is a great way to know the sex at hatch without handling the young bird.

Can you tell the sex by voice?

Adult Mute Swans can sometimes be sexed by voice, since males and females make different sounds. But this method is unreliable before maturity and does not work well for all species. DNA testing is the only definitive method at any age.

What if my results are inconclusive?

In the rare event we cannot get a clear result (usually due to sample quality), we will notify you immediately and retest with a new sample at no additional charge.

Know Your Swans. Plan with Confidence.

Order your swan DNA sexing test today and get definitive results in 2 to 3 business days after your samples arrive.

Order Now – Starting at $8/bird

Need help with swan genetics or breeding advice? Join the Pullidex Community – our members-only genetics platform for waterfowl and exotic bird breeders.

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Pullidex is the avian DNA testing lab formerly known as The Silkie Lab.